Sure thing! We've got 684 and we're gonna multiply it by 394. That's the same as adding 684 to itself 394 times.
Step 1: 0 + 684 = 684
Step 2: 684 + 684 = 1368
Step 3: 1368 + 684 = 2052
Step 4: 2052 + 684 = 2736
Step 5: 2736 + 684 = 3420
Step 6: 3420 + 684 = 4104
Step 7: 4104 + 684 = 4788
Step 8: 4788 + 684 = 5472
Step 9: 5472 + 684 = 6156
Step 10: 6156 + 684 = 6840
Step 11: 6840 + 684 = 7524
Step 12: 7524 + 684 = 8208
Step 13: 8208 + 684 = 8892
Step 14: 8892 + 684 = 9576
Step 15: 9576 + 684 = 10260
Step 16: 10260 + 684 = 10944
Step 17: 10944 + 684 = 11628
Step 18: 11628 + 684 = 12312
Step 19: 12312 + 684 = 12996
Step 20: 12996 + 684 = 13680
Step 21: 13680 + 684 = 14364
Step 22: 14364 + 684 = 15048
Step 23: 15048 + 684 = 15732
Step 24: 15732 + 684 = 16416
Step 25: 16416 + 684 = 17100
Step 26: 17100 + 684 = 17784
Step 27: 17784 + 684 = 18468
Step 28: 18468 + 684 = 19152
Step 29: 19152 + 684 = 19836
Step 30: 19836 + 684 = 20520
Step 31: 20520 + 684 = 21204
Step 32: 21204 + 684 = 21888
Step 33: 21888 + 684 = 22572
Step 34: 22572 + 684 = 23256
Step 35: 23256 + 684 = 23940
Step 36: 23940 + 684 = 24624
Step 37: 24624 + 684 = 25308
Step 38: 25308 + 684 = 25992
Step 39: 25992 + 684 = 26676
Step 40: 26676 + 684 = 27360
Step 41: 27360 + 684 = 28044
Step 42: 28044 + 684 = 28728
Step 43: 28728 + 684 = 29412
Step 44: 29412 + 684 = 30096
Step 45: 30096 + 684 = 30780
Step 46: 30780 + 684 = 31464
Step 47: 31464 + 684 = 32148
Step 48: 32148 + 684 = 32832
Step 49: 32832 + 684 = 33516
Step 50: 33516 + 684 = 34200
Step 51: 34200 + 684 = 34884
Step 52: 34884 + 684 = 35568
Step 53: 35568 + 684 = 36252
Step 54: 36252 + 684 = 36936
Step 55: 36936 + 684 = 37620
Step 56: 37620 + 684 = 38304
Step 57: 38304 + 684 = 38988
Step 58: 38988 + 684 = 39672
Step 59: 39672 + 684 = 40356
Step 60: 40356 + 684 = 41040
Step 61: 41040 + 684 = 41724
Step 62: 41724 + 684 = 42408
Step 63: 42408 + 684 = 43092
Step 64: 43092 + 684 = 43776
Step 65: 43776 + 684 = 44460
Step 66: 44460 + 684 = 45144
Step 67: 45144 + 684 = 45828
Step 68: 45828 + 684 = 46512
Step 69: 46512 + 684 = 47196
Step 70: 47196 + 684 = 47880
Step 71: 47880 + 684 = 48564
Step 72: 48564 + 684 = 49248
Step 73: 49248 + 684 = 49932
Step 74: 49932 + 684 = 50616
Step 75: 50616 + 684 = 51300
Step 76: 51300 + 684 = 51984
Step 77: 51984 + 684 = 52668
Step 78: 52668 + 684 = 53352
Step 79: 53352 + 684 = 54036
Step 80: 54036 + 684 = 54720
Step 81: 54720 + 684 = 55404
Step 82: 55404 + 684 = 56088
Step 83: 56088 + 684 = 56772
Step 84: 56772 + 684 = 57456
Step 85: 57456 + 684 = 58140
Step 86: 58140 + 684 = 58824
Step 87: 58824 + 684 = 59508
Step 88: 59508 + 684 = 60192
Step 89: 60192 + 684 = 60876
Step 90: 60876 + 684 = 61560
Step 91: 61560 + 684 = 62244
Step 92: 62244 + 684 = 62928
Step 93: 62928 + 684 = 63612
Step 94: 63612 + 684 = 64296
Step 95: 64296 + 684 = 64980
Step 96: 64980 + 684 = 65664
Step 97: 65664 + 684 = 66348
Step 98: 66348 + 684 = 67032
Step 99: 67032 + 684 = 67716
Step 100: 67716 + 684 = 68400
Step 101: 68400 + 684 = 69084
Step 102: 69084 + 684 = 69768
Step 103: 69768 + 684 = 70452
Step 104: 70452 + 684 = 71136
Step 105: 71136 + 684 = 71820
Step 106: 71820 + 684 = 72504
Step 107: 72504 + 684 = 73188
Step 108: 73188 + 684 = 73872
Step 109: 73872 + 684 = 74556
Step 110: 74556 + 684 = 75240
Step 111: 75240 + 684 = 75924
Step 112: 75924 + 684 = 76608
Step 113: 76608 + 684 = 77292
Step 114: 77292 + 684 = 77976
Step 115: 77976 + 684 = 78660
Step 116: 78660 + 684 = 79344
Step 117: 79344 + 684 = 80028
Step 118: 80028 + 684 = 80712
Step 119: 80712 + 684 = 81396
Step 120: 81396 + 684 = 82080
Step 121: 82080 + 684 = 82764
Step 122: 82764 + 684 = 83448
Step 123: 83448 + 684 = 84132
Step 124: 84132 + 684 = 84816
Step 125: 84816 + 684 = 85500
Step 126: 85500 + 684 = 86184
Step 127: 86184 + 684 = 86868
Step 128: 86868 + 684 = 87552
Step 129: 87552 + 684 = 88236
Step 130: 88236 + 684 = 88920
Step 131: 88920 + 684 = 89604
Step 132: 89604 + 684 = 90288
Step 133: 90288 + 684 = 90972
Step 134: 90972 + 684 = 91656
Step 135: 91656 + 684 = 92340
Step 136: 92340 + 684 = 93024
Step 137: 93024 + 684 = 93708
Step 138: 93708 + 684 = 94392
Step 139: 94392 + 684 = 95076
Step 140: 95076 + 684 = 95760
Step 141: 95760 + 684 = 96444
Step 142: 96444 + 684 = 97128
Step 143: 97128 + 684 = 97812
Step 144: 97812 + 684 = 98496
Step 145: 98496 + 684 = 99180
Step 146: 99180 + 684 = 99864
Step 147: 99864 + 684 = 100548
Step 148: 100548 + 684 = 101232
Step 149: 101232 + 684 = 101916
Step 150: 101916 + 684 = 102600
Step 151: 102600 + 684 = 103284
Step 152: 103284 + 684 = 103968
Step 153: 103968 + 684 = 104652
Step 154: 104652 + 684 = 105336
Step 155: 105336 + 684 = 106020
Step 156: 106020 + 684 = 106704
Step 157: 106704 + 684 = 107388
Step 158: 107388 + 684 = 108072
Step 159: 108072 + 684 = 108756
Step 160: 108756 + 684 = 109440
Step 161: 109440 + 684 = 110124
Step 162: 110124 + 684 = 110808
Step 163: 110808 + 684 = 111492
Step 164: 111492 + 684 = 112176
Step 165: 112176 + 684 = 112860
Step 166: 112860 + 684 = 113544
Step 167: 113544 + 684 = 114228
Step 168: 114228 + 684 = 114912
Step 169: 114912 + 684 = 115596
Step 170: 115596 + 684 = 116280
Step 171: 116280 + 684 = 116964
Step 172: 116964 + 684 = 117648
Step 173: 117648 + 684 = 118332
Step 174: 118332 + 684 = 119016
Step 175: 119016 + 684 = 119700
Step 176: 119700 + 684 = 120384
Step 177: 120384 + 684 = 121068
Step 178: 121068 + 684 = 121752
Step 179: 121752 + 684 = 122436
Step 180: 122436 + 684 = 123120
Step 181: 123120 + 684 = 123804
Step 182: 123804 + 684 = 124488
Step 183: 124488 + 684 = 125172
Step 184: 125172 + 684 = 125856
Step 185: 125856 + 684 = 126540
Step 186: 126540 + 684 = 127224
Step 187: 127224 + 684 = 127908
Step 188: 127908 + 684 = 128592
Step 189: 128592 + 684 = 129276
Step 190: 129276 + 684 = 129960
Step 191: 129960 + 684 = 130644
Step 192: 130644 + 684 = 131328
Step 193: 131328 + 684 = 132012
Step 194: 132012 + 684 = 132696
Step 195: 132696 + 684 = 133380
Step 196: 133380 + 684 = 134064
Step 197: 134064 + 684 = 134748
Step 198: 134748 + 684 = 135432
Step 199: 135432 + 684 = 136116
Step 200: 136116 + 684 = 136800
Step 201: 136800 + 684 = 137484
Step 202: 137484 + 684 = 138168
Step 203: 138168 + 684 = 138852
Step 204: 138852 + 684 = 139536
Step 205: 139536 + 684 = 140220
Step 206: 140220 + 684 = 140904
Step 207: 140904 + 684 = 141588
Step 208: 141588 + 684 = 142272
Step 209: 142272 + 684 = 142956
Step 210: 142956 + 684 = 143640
Step 211: 143640 + 684 = 144324
Step 212: 144324 + 684 = 145008
Step 213: 145008 + 684 = 145692
Step 214: 145692 + 684 = 146376
Step 215: 146376 + 684 = 147060
Step 216: 147060 + 684 = 147744
Step 217: 147744 + 684 = 148428
Step 218: 148428 + 684 = 149112
Step 219: 149112 + 684 = 149796
Step 220: 149796 + 684 = 150480
Step 221: 150480 + 684 = 151164
Step 222: 151164 + 684 = 151848
Step 223: 151848 + 684 = 152532
Step 224: 152532 + 684 = 153216
Step 225: 153216 + 684 = 153900
Step 226: 153900 + 684 = 154584
Step 227: 154584 + 684 = 155268
Step 228: 155268 + 684 = 155952
Step 229: 155952 + 684 = 156636
Step 230: 156636 + 684 = 157320
Step 231: 157320 + 684 = 158004
Step 232: 158004 + 684 = 158688
Step 233: 158688 + 684 = 159372
Step 234: 159372 + 684 = 160056
Step 235: 160056 + 684 = 160740
Step 236: 160740 + 684 = 161424
Step 237: 161424 + 684 = 162108
Step 238: 162108 + 684 = 162792
Step 239: 162792 + 684 = 163476
Step 240: 163476 + 684 = 164160
Step 241: 164160 + 684 = 164844
Step 242: 164844 + 684 = 165528
Step 243: 165528 + 684 = 166212
Step 244: 166212 + 684 = 166896
Step 245: 166896 + 684 = 167580
Step 246: 167580 + 684 = 168264
Step 247: 168264 + 684 = 168948
Step 248: 168948 + 684 = 169632
Step 249: 169632 + 684 = 170316
Step 250: 170316 + 684 = 171000
Step 251: 171000 + 684 = 171684
Step 252: 171684 + 684 = 172368
Step 253: 172368 + 684 = 173052
Step 254: 173052 + 684 = 173736
Step 255: 173736 + 684 = 174420
Step 256: 174420 + 684 = 175104
Step 257: 175104 + 684 = 175788
Step 258: 175788 + 684 = 176472
Step 259: 176472 + 684 = 177156
Step 260: 177156 + 684 = 177840
Step 261: 177840 + 684 = 178524
Step 262: 178524 + 684 = 179208
Step 263: 179208 + 684 = 179892
Step 264: 179892 + 684 = 180576
Step 265: 180576 + 684 = 181260
Step 266: 181260 + 684 = 181944
Step 267: 181944 + 684 = 182628
Step 268: 182628 + 684 = 183312
Step 269: 183312 + 684 = 183996
Step 270: 183996 + 684 = 184680
Step 271: 184680 + 684 = 185364
Step 272: 185364 + 684 = 186048
Step 273: 186048 + 684 = 186732
Step 274: 186732 + 684 = 187416
Step 275: 187416 + 684 = 188100
Step 276: 188100 + 684 = 188784
Step 277: 188784 + 684 = 189468
Step 278: 189468 + 684 = 190152
Step 279: 190152 + 684 = 190836
Step 280: 190836 + 684 = 191520
Step 281: 191520 + 684 = 192204
Step 282: 192204 + 684 = 192888
Step 283: 192888 + 684 = 193572
Step 284: 193572 + 684 = 194256
Step 285: 194256 + 684 = 194940
Step 286: 194940 + 684 = 195624
Step 287: 195624 + 684 = 196308
Step 288: 196308 + 684 = 196992
Step 289: 196992 + 684 = 197676
Step 290: 197676 + 684 = 198360
Step 291: 198360 + 684 = 199044
Step 292: 199044 + 684 = 199728
Step 293: 199728 + 684 = 200412
Step 294: 200412 + 684 = 201096
Step 295: 201096 + 684 = 201780
Step 296: 201780 + 684 = 202464
Step 297: 202464 + 684 = 203148
Step 298: 203148 + 684 = 203832
Step 299: 203832 + 684 = 204516
Step 300: 204516 + 684 = 205200
Step 301: 205200 + 684 = 205884
Step 302: 205884 + 684 = 206568
Step 303: 206568 + 684 = 207252
Step 304: 207252 + 684 = 207936
Step 305: 207936 + 684 = 208620
Step 306: 208620 + 684 = 209304
Step 307: 209304 + 684 = 209988
Step 308: 209988 + 684 = 210672
Step 309: 210672 + 684 = 211356
Step 310: 211356 + 684 = 212040
Step 311: 212040 + 684 = 212724
Step 312: 212724 + 684 = 213408
Step 313: 213408 + 684 = 214092
Step 314: 214092 + 684 = 214776
Step 315: 214776 + 684 = 215460
Step 316: 215460 + 684 = 216144
Step 317: 216144 + 684 = 216828
Step 318: 216828 + 684 = 217512
Step 319: 217512 + 684 = 218196
Step 320: 218196 + 684 = 218880
Step 321: 218880 + 684 = 219564
Step 322: 219564 + 684 = 220248
Step 323: 220248 + 684 = 220932
Step 324: 220932 + 684 = 221616
Step 325: 221616 + 684 = 222300
Step 326: 222300 + 684 = 222984
Step 327: 222984 + 684 = 223668
Step 328: 223668 + 684 = 224352
Step 329: 224352 + 684 = 225036
Step 330: 225036 + 684 = 225720
Step 331: 225720 + 684 = 226404
Step 332: 226404 + 684 = 227088
Step 333: 227088 + 684 = 227772
Step 334: 227772 + 684 = 228456
Step 335: 228456 + 684 = 229140
Step 336: 229140 + 684 = 229824
Step 337: 229824 + 684 = 230508
Step 338: 230508 + 684 = 231192
Step 339: 231192 + 684 = 231876
Step 340: 231876 + 684 = 232560
Step 341: 232560 + 684 = 233244
Step 342: 233244 + 684 = 233928
Step 343: 233928 + 684 = 234612
Step 344: 234612 + 684 = 235296
Step 345: 235296 + 684 = 235980
Step 346: 235980 + 684 = 236664
Step 347: 236664 + 684 = 237348
Step 348: 237348 + 684 = 238032
Step 349: 238032 + 684 = 238716
Step 350: 238716 + 684 = 239400
Step 351: 239400 + 684 = 240084
Step 352: 240084 + 684 = 240768
Step 353: 240768 + 684 = 241452
Step 354: 241452 + 684 = 242136
Step 355: 242136 + 684 = 242820
Step 356: 242820 + 684 = 243504
Step 357: 243504 + 684 = 244188
Step 358: 244188 + 684 = 244872
Step 359: 244872 + 684 = 245556
Step 360: 245556 + 684 = 246240
Step 361: 246240 + 684 = 246924
Step 362: 246924 + 684 = 247608
Step 363: 247608 + 684 = 248292
Step 364: 248292 + 684 = 248976
Step 365: 248976 + 684 = 249660
Step 366: 249660 + 684 = 250344
Step 367: 250344 + 684 = 251028
Step 368: 251028 + 684 = 251712
Step 369: 251712 + 684 = 252396
Step 370: 252396 + 684 = 253080
Step 371: 253080 + 684 = 253764
Step 372: 253764 + 684 = 254448
Step 373: 254448 + 684 = 255132
Step 374: 255132 + 684 = 255816
Step 375: 255816 + 684 = 256500
Step 376: 256500 + 684 = 257184
Step 377: 257184 + 684 = 257868
Step 378: 257868 + 684 = 258552
Step 379: 258552 + 684 = 259236
Step 380: 259236 + 684 = 259920
Step 381: 259920 + 684 = 260604
Step 382: 260604 + 684 = 261288
Step 383: 261288 + 684 = 261972
Step 384: 261972 + 684 = 262656
Step 385: 262656 + 684 = 263340
Step 386: 263340 + 684 = 264024
Step 387: 264024 + 684 = 264708
Step 388: 264708 + 684 = 265392
Step 389: 265392 + 684 = 266076
Step 390: 266076 + 684 = 266760
Step 391: 266760 + 684 = 267444
Step 392: 267444 + 684 = 268128
Step 393: 268128 + 684 = 268812
Step 394: 268812 + 684 = 269496

So, 684*394 = 269496