Sure thing, let's get straight to it. We start with 677 and we're going to multiply it by 497, which means adding 677 to itself 497 times.
Step 1: 0 + 677 = 677
Step 2: 677 + 677 = 1354
Step 3: 1354 + 677 = 2031
Step 4: 2031 + 677 = 2708
Step 5: 2708 + 677 = 3385
Step 6: 3385 + 677 = 4062
Step 7: 4062 + 677 = 4739
Step 8: 4739 + 677 = 5416
Step 9: 5416 + 677 = 6093
Step 10: 6093 + 677 = 6770
Step 11: 6770 + 677 = 7447
Step 12: 7447 + 677 = 8124
Step 13: 8124 + 677 = 8801
Step 14: 8801 + 677 = 9478
Step 15: 9478 + 677 = 10155
Step 16: 10155 + 677 = 10832
Step 17: 10832 + 677 = 11509
Step 18: 11509 + 677 = 12186
Step 19: 12186 + 677 = 12863
Step 20: 12863 + 677 = 13540
Step 21: 13540 + 677 = 14217
Step 22: 14217 + 677 = 14894
Step 23: 14894 + 677 = 15571
Step 24: 15571 + 677 = 16248
Step 25: 16248 + 677 = 16925
Step 26: 16925 + 677 = 17602
Step 27: 17602 + 677 = 18279
Step 28: 18279 + 677 = 18956
Step 29: 18956 + 677 = 19633
Step 30: 19633 + 677 = 20310
Step 31: 20310 + 677 = 20987
Step 32: 20987 + 677 = 21664
Step 33: 21664 + 677 = 22341
Step 34: 22341 + 677 = 23018
Step 35: 23018 + 677 = 23695
Step 36: 23695 + 677 = 24372
Step 37: 24372 + 677 = 25049
Step 38: 25049 + 677 = 25726
Step 39: 25726 + 677 = 26403
Step 40: 26403 + 677 = 27080
Step 41: 27080 + 677 = 27757
Step 42: 27757 + 677 = 28434
Step 43: 28434 + 677 = 29111
Step 44: 29111 + 677 = 29788
Step 45: 29788 + 677 = 30465
Step 46: 30465 + 677 = 31142
Step 47: 31142 + 677 = 31819
Step 48: 31819 + 677 = 32496
Step 49: 32496 + 677 = 33173
Step 50: 33173 + 677 = 33850
Step 51: 33850 + 677 = 34527
Step 52: 34527 + 677 = 35204
Step 53: 35204 + 677 = 35881
Step 54: 35881 + 677 = 36558
Step 55: 36558 + 677 = 37235
Step 56: 37235 + 677 = 37912
Step 57: 37912 + 677 = 38589
Step 58: 38589 + 677 = 39266
Step 59: 39266 + 677 = 39943
Step 60: 39943 + 677 = 40620
Step 61: 40620 + 677 = 41297
Step 62: 41297 + 677 = 41974
Step 63: 41974 + 677 = 42651
Step 64: 42651 + 677 = 43328
Step 65: 43328 + 677 = 44005
Step 66: 44005 + 677 = 44682
Step 67: 44682 + 677 = 45359
Step 68: 45359 + 677 = 46036
Step 69: 46036 + 677 = 46713
Step 70: 46713 + 677 = 47390
Step 71: 47390 + 677 = 48067
Step 72: 48067 + 677 = 48744
Step 73: 48744 + 677 = 49421
Step 74: 49421 + 677 = 50098
Step 75: 50098 + 677 = 50775
Step 76: 50775 + 677 = 51452
Step 77: 51452 + 677 = 52129
Step 78: 52129 + 677 = 52806
Step 79: 52806 + 677 = 53483
Step 80: 53483 + 677 = 54160
Step 81: 54160 + 677 = 54837
Step 82: 54837 + 677 = 55514
Step 83: 55514 + 677 = 56191
Step 84: 56191 + 677 = 56868
Step 85: 56868 + 677 = 57545
Step 86: 57545 + 677 = 58222
Step 87: 58222 + 677 = 58899
Step 88: 58899 + 677 = 59576
Step 89: 59576 + 677 = 60253
Step 90: 60253 + 677 = 60930
Step 91: 60930 + 677 = 61607
Step 92: 61607 + 677 = 62284
Step 93: 62284 + 677 = 62961
Step 94: 62961 + 677 = 63638
Step 95: 63638 + 677 = 64315
Step 96: 64315 + 677 = 64992
Step 97: 64992 + 677 = 65669
Step 98: 65669 + 677 = 66346
Step 99: 66346 + 677 = 67023
Step 100: 67023 + 677 = 67700
Step 101: 67700 + 677 = 68377
Step 102: 68377 + 677 = 69054
Step 103: 69054 + 677 = 69731
Step 104: 69731 + 677 = 70408
Step 105: 70408 + 677 = 71085
Step 106: 71085 + 677 = 71762
Step 107: 71762 + 677 = 72439
Step 108: 72439 + 677 = 73116
Step 109: 73116 + 677 = 73793
Step 110: 73793 + 677 = 74470
Step 111: 74470 + 677 = 75147
Step 112: 75147 + 677 = 75824
Step 113: 75824 + 677 = 76501
Step 114: 76501 + 677 = 77178
Step 115: 77178 + 677 = 77855
Step 116: 77855 + 677 = 78532
Step 117: 78532 + 677 = 79209
Step 118: 79209 + 677 = 79886
Step 119: 79886 + 677 = 80563
Step 120: 80563 + 677 = 81240
Step 121: 81240 + 677 = 81917
Step 122: 81917 + 677 = 82594
Step 123: 82594 + 677 = 83271
Step 124: 83271 + 677 = 83948
Step 125: 83948 + 677 = 84625
Step 126: 84625 + 677 = 85302
Step 127: 85302 + 677 = 85979
Step 128: 85979 + 677 = 86656
Step 129: 86656 + 677 = 87333
Step 130: 87333 + 677 = 88010
Step 131: 88010 + 677 = 88687
Step 132: 88687 + 677 = 89364
Step 133: 89364 + 677 = 90041
Step 134: 90041 + 677 = 90718
Step 135: 90718 + 677 = 91395
Step 136: 91395 + 677 = 92072
Step 137: 92072 + 677 = 92749
Step 138: 92749 + 677 = 93426
Step 139: 93426 + 677 = 94103
Step 140: 94103 + 677 = 94780
Step 141: 94780 + 677 = 95457
Step 142: 95457 + 677 = 96134
Step 143: 96134 + 677 = 96811
Step 144: 96811 + 677 = 97488
Step 145: 97488 + 677 = 98165
Step 146: 98165 + 677 = 98842
Step 147: 98842 + 677 = 99519
Step 148: 99519 + 677 = 100196
Step 149: 100196 + 677 = 100873
Step 150: 100873 + 677 = 101550
Step 151: 101550 + 677 = 102227
Step 152: 102227 + 677 = 102904
Step 153: 102904 + 677 = 103581
Step 154: 103581 + 677 = 104258
Step 155: 104258 + 677 = 104935
Step 156: 104935 + 677 = 105612
Step 157: 105612 + 677 = 106289
Step 158: 106289 + 677 = 106966
Step 159: 106966 + 677 = 107643
Step 160: 107643 + 677 = 108320
Step 161: 108320 + 677 = 108997
Step 162: 108997 + 677 = 109674
Step 163: 109674 + 677 = 110351
Step 164: 110351 + 677 = 111028
Step 165: 111028 + 677 = 111705
Step 166: 111705 + 677 = 112382
Step 167: 112382 + 677 = 113059
Step 168: 113059 + 677 = 113736
Step 169: 113736 + 677 = 114413
Step 170: 114413 + 677 = 115090
Step 171: 115090 + 677 = 115767
Step 172: 115767 + 677 = 116444
Step 173: 116444 + 677 = 117121
Step 174: 117121 + 677 = 117798
Step 175: 117798 + 677 = 118475
Step 176: 118475 + 677 = 119152
Step 177: 119152 + 677 = 119829
Step 178: 119829 + 677 = 120506
Step 179: 120506 + 677 = 121183
Step 180: 121183 + 677 = 121860
Step 181: 121860 + 677 = 122537
Step 182: 122537 + 677 = 123214
Step 183: 123214 + 677 = 123891
Step 184: 123891 + 677 = 124568
Step 185: 124568 + 677 = 125245
Step 186: 125245 + 677 = 125922
Step 187: 125922 + 677 = 126599
Step 188: 126599 + 677 = 127276
Step 189: 127276 + 677 = 127953
Step 190: 127953 + 677 = 128630
Step 191: 128630 + 677 = 129307
Step 192: 129307 + 677 = 129984
Step 193: 129984 + 677 = 130661
Step 194: 130661 + 677 = 131338
Step 195: 131338 + 677 = 132015
Step 196: 132015 + 677 = 132692
Step 197: 132692 + 677 = 133369
Step 198: 133369 + 677 = 134046
Step 199: 134046 + 677 = 134723
Step 200: 134723 + 677 = 135400
Step 201: 135400 + 677 = 136077
Step 202: 136077 + 677 = 136754
Step 203: 136754 + 677 = 137431
Step 204: 137431 + 677 = 138108
Step 205: 138108 + 677 = 138785
Step 206: 138785 + 677 = 139462
Step 207: 139462 + 677 = 140139
Step 208: 140139 + 677 = 140816
Step 209: 140816 + 677 = 141493
Step 210: 141493 + 677 = 142170
Step 211: 142170 + 677 = 142847
Step 212: 142847 + 677 = 143524
Step 213: 143524 + 677 = 144201
Step 214: 144201 + 677 = 144878
Step 215: 144878 + 677 = 145555
Step 216: 145555 + 677 = 146232
Step 217: 146232 + 677 = 146909
Step 218: 146909 + 677 = 147586
Step 219: 147586 + 677 = 148263
Step 220: 148263 + 677 = 148940
Step 221: 148940 + 677 = 149617
Step 222: 149617 + 677 = 150294
Step 223: 150294 + 677 = 150971
Step 224: 150971 + 677 = 151648
Step 225: 151648 + 677 = 152325
Step 226: 152325 + 677 = 153002
Step 227: 153002 + 677 = 153679
Step 228: 153679 + 677 = 154356
Step 229: 154356 + 677 = 155033
Step 230: 155033 + 677 = 155710
Step 231: 155710 + 677 = 156387
Step 232: 156387 + 677 = 157064
Step 233: 157064 + 677 = 157741
Step 234: 157741 + 677 = 158418
Step 235: 158418 + 677 = 159095
Step 236: 159095 + 677 = 159772
Step 237: 159772 + 677 = 160449
Step 238: 160449 + 677 = 161126
Step 239: 161126 + 677 = 161803
Step 240: 161803 + 677 = 162480
Step 241: 162480 + 677 = 163157
Step 242: 163157 + 677 = 163834
Step 243: 163834 + 677 = 164511
Step 244: 164511 + 677 = 165188
Step 245: 165188 + 677 = 165865
Step 246: 165865 + 677 = 166542
Step 247: 166542 + 677 = 167219
Step 248: 167219 + 677 = 167896
Step 249: 167896 + 677 = 168573
Step 250: 168573 + 677 = 169250
Step 251: 169250 + 677 = 169927
Step 252: 169927 + 677 = 170604
Step 253: 170604 + 677 = 171281
Step 254: 171281 + 677 = 171958
Step 255: 171958 + 677 = 172635
Step 256: 172635 + 677 = 173312
Step 257: 173312 + 677 = 173989
Step 258: 173989 + 677 = 174666
Step 259: 174666 + 677 = 175343
Step 260: 175343 + 677 = 176020
Step 261: 176020 + 677 = 176697
Step 262: 176697 + 677 = 177374
Step 263: 177374 + 677 = 178051
Step 264: 178051 + 677 = 178728
Step 265: 178728 + 677 = 179405
Step 266: 179405 + 677 = 180082
Step 267: 180082 + 677 = 180759
Step 268: 180759 + 677 = 181436
Step 269: 181436 + 677 = 182113
Step 270: 182113 + 677 = 182790
Step 271: 182790 + 677 = 183467
Step 272: 183467 + 677 = 184144
Step 273: 184144 + 677 = 184821
Step 274: 184821 + 677 = 185498
Step 275: 185498 + 677 = 186175
Step 276: 186175 + 677 = 186852
Step 277: 186852 + 677 = 187529
Step 278: 187529 + 677 = 188206
Step 279: 188206 + 677 = 188883
Step 280: 188883 + 677 = 189560
Step 281: 189560 + 677 = 190237
Step 282: 190237 + 677 = 190914
Step 283: 190914 + 677 = 191591
Step 284: 191591 + 677 = 192268
Step 285: 192268 + 677 = 192945
Step 286: 192945 + 677 = 193622
Step 287: 193622 + 677 = 194299
Step 288: 194299 + 677 = 194976
Step 289: 194976 + 677 = 195653
Step 290: 195653 + 677 = 196330
Step 291: 196330 + 677 = 197007
Step 292: 197007 + 677 = 197684
Step 293: 197684 + 677 = 198361
Step 294: 198361 + 677 = 199038
Step 295: 199038 + 677 = 199715
Step 296: 199715 + 677 = 200392
Step 297: 200392 + 677 = 201069
Step 298: 201069 + 677 = 201746
Step 299: 201746 + 677 = 202423
Step 300: 202423 + 677 = 203100
Step 301: 203100 + 677 = 203777
Step 302: 203777 + 677 = 204454
Step 303: 204454 + 677 = 205131
Step 304: 205131 + 677 = 205808
Step 305: 205808 + 677 = 206485
Step 306: 206485 + 677 = 207162
Step 307: 207162 + 677 = 207839
Step 308: 207839 + 677 = 208516
Step 309: 208516 + 677 = 209193
Step 310: 209193 + 677 = 209870
Step 311: 209870 + 677 = 210547
Step 312: 210547 + 677 = 211224
Step 313: 211224 + 677 = 211901
Step 314: 211901 + 677 = 212578
Step 315: 212578 + 677 = 213255
Step 316: 213255 + 677 = 213932
Step 317: 213932 + 677 = 214609
Step 318: 214609 + 677 = 215286
Step 319: 215286 + 677 = 215963
Step 320: 215963 + 677 = 216640
Step 321: 216640 + 677 = 217317
Step 322: 217317 + 677 = 217994
Step 323: 217994 + 677 = 218671
Step 324: 218671 + 677 = 219348
Step 325: 219348 + 677 = 220025
Step 326: 220025 + 677 = 220702
Step 327: 220702 + 677 = 221379
Step 328: 221379 + 677 = 222056
Step 329: 222056 + 677 = 222733
Step 330: 222733 + 677 = 223410
Step 331: 223410 + 677 = 224087
Step 332: 224087 + 677 = 224764
Step 333: 224764 + 677 = 225441
Step 334: 225441 + 677 = 226118
Step 335: 226118 + 677 = 226795
Step 336: 226795 + 677 = 227472
Step 337: 227472 + 677 = 228149
Step 338: 228149 + 677 = 228826
Step 339: 228826 + 677 = 229503
Step 340: 229503 + 677 = 230180
Step 341: 230180 + 677 = 230857
Step 342: 230857 + 677 = 231534
Step 343: 231534 + 677 = 232211
Step 344: 232211 + 677 = 232888
Step 345: 232888 + 677 = 233565
Step 346: 233565 + 677 = 234242
Step 347: 234242 + 677 = 234919
Step 348: 234919 + 677 = 235596
Step 349: 235596 + 677 = 236273
Step 350: 236273 + 677 = 236950
Step 351: 236950 + 677 = 237627
Step 352: 237627 + 677 = 238304
Step 353: 238304 + 677 = 238981
Step 354: 238981 + 677 = 239658
Step 355: 239658 + 677 = 240335
Step 356: 240335 + 677 = 241012
Step 357: 241012 + 677 = 241689
Step 358: 241689 + 677 = 242366
Step 359: 242366 + 677 = 243043
Step 360: 243043 + 677 = 243720
Step 361: 243720 + 677 = 244397
Step 362: 244397 + 677 = 245074
Step 363: 245074 + 677 = 245751
Step 364: 245751 + 677 = 246428
Step 365: 246428 + 677 = 247105
Step 366: 247105 + 677 = 247782
Step 367: 247782 + 677 = 248459
Step 368: 248459 + 677 = 249136
Step 369: 249136 + 677 = 249813
Step 370: 249813 + 677 = 250490
Step 371: 250490 + 677 = 251167
Step 372: 251167 + 677 = 251844
Step 373: 251844 + 677 = 252521
Step 374: 252521 + 677 = 253198
Step 375: 253198 + 677 = 253875
Step 376: 253875 + 677 = 254552
Step 377: 254552 + 677 = 255229
Step 378: 255229 + 677 = 255906
Step 379: 255906 + 677 = 256583
Step 380: 256583 + 677 = 257260
Step 381: 257260 + 677 = 257937
Step 382: 257937 + 677 = 258614
Step 383: 258614 + 677 = 259291
Step 384: 259291 + 677 = 259968
Step 385: 259968 + 677 = 260645
Step 386: 260645 + 677 = 261322
Step 387: 261322 + 677 = 261999
Step 388: 261999 + 677 = 262676
Step 389: 262676 + 677 = 263353
Step 390: 263353 + 677 = 264030
Step 391: 264030 + 677 = 264707
Step 392: 264707 + 677 = 265384
Step 393: 265384 + 677 = 266061
Step 394: 266061 + 677 = 266738
Step 395: 266738 + 677 = 267415
Step 396: 267415 + 677 = 268092
Step 397: 268092 + 677 = 268769
Step 398: 268769 + 677 = 269446
Step 399: 269446 + 677 = 270123
Step 400: 270123 + 677 = 270800
Step 401: 270800 + 677 = 271477
Step 402: 271477 + 677 = 272154
Step 403: 272154 + 677 = 272831
Step 404: 272831 + 677 = 273508
Step 405: 273508 + 677 = 274185
Step 406: 274185 + 677 = 274862
Step 407: 274862 + 677 = 275539
Step 408: 275539 + 677 = 276216
Step 409: 276216 + 677 = 276893
Step 410: 276893 + 677 = 277570
Step 411: 277570 + 677 = 278247
Step 412: 278247 + 677 = 278924
Step 413: 278924 + 677 = 279601
Step 414: 279601 + 677 = 280278
Step 415: 280278 + 677 = 280955
Step 416: 280955 + 677 = 281632
Step 417: 281632 + 677 = 282309
Step 418: 282309 + 677 = 282986
Step 419: 282986 + 677 = 283663
Step 420: 283663 + 677 = 284340
Step 421: 284340 + 677 = 285017
Step 422: 285017 + 677 = 285694
Step 423: 285694 + 677 = 286371
Step 424: 286371 + 677 = 287048
Step 425: 287048 + 677 = 287725
Step 426: 287725 + 677 = 288402
Step 427: 288402 + 677 = 289079
Step 428: 289079 + 677 = 289756
Step 429: 289756 + 677 = 290433
Step 430: 290433 + 677 = 291110
Step 431: 291110 + 677 = 291787
Step 432: 291787 + 677 = 292464
Step 433: 292464 + 677 = 293141
Step 434: 293141 + 677 = 293818
Step 435: 293818 + 677 = 294495
Step 436: 294495 + 677 = 295172
Step 437: 295172 + 677 = 295849
Step 438: 295849 + 677 = 296526
Step 439: 296526 + 677 = 297203
Step 440: 297203 + 677 = 297880
Step 441: 297880 + 677 = 298557
Step 442: 298557 + 677 = 299234
Step 443: 299234 + 677 = 299911
Step 444: 299911 + 677 = 300588
Step 445: 300588 + 677 = 301265
Step 446: 301265 + 677 = 301942
Step 447: 301942 + 677 = 302619
Step 448: 302619 + 677 = 303296
Step 449: 303296 + 677 = 303973
Step 450: 303973 + 677 = 304650
Step 451: 304650 + 677 = 305327
Step 452: 305327 + 677 = 306004
Step 453: 306004 + 677 = 306681
Step 454: 306681 + 677 = 307358
Step 455: 307358 + 677 = 308035
Step 456: 308035 + 677 = 308712
Step 457: 308712 + 677 = 309389
Step 458: 309389 + 677 = 310066
Step 459: 310066 + 677 = 310743
Step 460: 310743 + 677 = 311420
Step 461: 311420 + 677 = 312097
Step 462: 312097 + 677 = 312774
Step 463: 312774 + 677 = 313451
Step 464: 313451 + 677 = 314128
Step 465: 314128 + 677 = 314805
Step 466: 314805 + 677 = 315482
Step 467: 315482 + 677 = 316159
Step 468: 316159 + 677 = 316836
Step 469: 316836 + 677 = 317513
Step 470: 317513 + 677 = 318190
Step 471: 318190 + 677 = 318867
Step 472: 318867 + 677 = 319544
Step 473: 319544 + 677 = 320221
Step 474: 320221 + 677 = 320898
Step 475: 320898 + 677 = 321575
Step 476: 321575 + 677 = 322252
Step 477: 322252 + 677 = 322929
Step 478: 322929 + 677 = 323606
Step 479: 323606 + 677 = 324283
Step 480: 324283 + 677 = 324960
Step 481: 324960 + 677 = 325637
Step 482: 325637 + 677 = 326314
Step 483: 326314 + 677 = 326991
Step 484: 326991 + 677 = 327668
Step 485: 327668 + 677 = 328345
Step 486: 328345 + 677 = 329022
Step 487: 329022 + 677 = 329699
Step 488: 329699 + 677 = 330376
Step 489: 330376 + 677 = 331053
Step 490: 331053 + 677 = 331730
Step 491: 331730 + 677 = 332407
Step 492: 332407 + 677 = 333084
Step 493: 333084 + 677 = 333761
Step 494: 333761 + 677 = 334438
Step 495: 334438 + 677 = 335115
Step 496: 335115 + 677 = 335792
Step 497: 335792 + 677 = 336469

So, 677*497 = 336469