OK, let's work through this together. We're starting with 569 and we're going to multiply it by 421, which means we add 569 to itself 421 times.
Step 1: 0 + 569 = 569
Step 2: 569 + 569 = 1138
Step 3: 1138 + 569 = 1707
Step 4: 1707 + 569 = 2276
Step 5: 2276 + 569 = 2845
Step 6: 2845 + 569 = 3414
Step 7: 3414 + 569 = 3983
Step 8: 3983 + 569 = 4552
Step 9: 4552 + 569 = 5121
Step 10: 5121 + 569 = 5690
Step 11: 5690 + 569 = 6259
Step 12: 6259 + 569 = 6828
Step 13: 6828 + 569 = 7397
Step 14: 7397 + 569 = 7966
Step 15: 7966 + 569 = 8535
Step 16: 8535 + 569 = 9104
Step 17: 9104 + 569 = 9673
Step 18: 9673 + 569 = 10242
Step 19: 10242 + 569 = 10811
Step 20: 10811 + 569 = 11380
Step 21: 11380 + 569 = 11949
Step 22: 11949 + 569 = 12518
Step 23: 12518 + 569 = 13087
Step 24: 13087 + 569 = 13656
Step 25: 13656 + 569 = 14225
Step 26: 14225 + 569 = 14794
Step 27: 14794 + 569 = 15363
Step 28: 15363 + 569 = 15932
Step 29: 15932 + 569 = 16501
Step 30: 16501 + 569 = 17070
Step 31: 17070 + 569 = 17639
Step 32: 17639 + 569 = 18208
Step 33: 18208 + 569 = 18777
Step 34: 18777 + 569 = 19346
Step 35: 19346 + 569 = 19915
Step 36: 19915 + 569 = 20484
Step 37: 20484 + 569 = 21053
Step 38: 21053 + 569 = 21622
Step 39: 21622 + 569 = 22191
Step 40: 22191 + 569 = 22760
Step 41: 22760 + 569 = 23329
Step 42: 23329 + 569 = 23898
Step 43: 23898 + 569 = 24467
Step 44: 24467 + 569 = 25036
Step 45: 25036 + 569 = 25605
Step 46: 25605 + 569 = 26174
Step 47: 26174 + 569 = 26743
Step 48: 26743 + 569 = 27312
Step 49: 27312 + 569 = 27881
Step 50: 27881 + 569 = 28450
Step 51: 28450 + 569 = 29019
Step 52: 29019 + 569 = 29588
Step 53: 29588 + 569 = 30157
Step 54: 30157 + 569 = 30726
Step 55: 30726 + 569 = 31295
Step 56: 31295 + 569 = 31864
Step 57: 31864 + 569 = 32433
Step 58: 32433 + 569 = 33002
Step 59: 33002 + 569 = 33571
Step 60: 33571 + 569 = 34140
Step 61: 34140 + 569 = 34709
Step 62: 34709 + 569 = 35278
Step 63: 35278 + 569 = 35847
Step 64: 35847 + 569 = 36416
Step 65: 36416 + 569 = 36985
Step 66: 36985 + 569 = 37554
Step 67: 37554 + 569 = 38123
Step 68: 38123 + 569 = 38692
Step 69: 38692 + 569 = 39261
Step 70: 39261 + 569 = 39830
Step 71: 39830 + 569 = 40399
Step 72: 40399 + 569 = 40968
Step 73: 40968 + 569 = 41537
Step 74: 41537 + 569 = 42106
Step 75: 42106 + 569 = 42675
Step 76: 42675 + 569 = 43244
Step 77: 43244 + 569 = 43813
Step 78: 43813 + 569 = 44382
Step 79: 44382 + 569 = 44951
Step 80: 44951 + 569 = 45520
Step 81: 45520 + 569 = 46089
Step 82: 46089 + 569 = 46658
Step 83: 46658 + 569 = 47227
Step 84: 47227 + 569 = 47796
Step 85: 47796 + 569 = 48365
Step 86: 48365 + 569 = 48934
Step 87: 48934 + 569 = 49503
Step 88: 49503 + 569 = 50072
Step 89: 50072 + 569 = 50641
Step 90: 50641 + 569 = 51210
Step 91: 51210 + 569 = 51779
Step 92: 51779 + 569 = 52348
Step 93: 52348 + 569 = 52917
Step 94: 52917 + 569 = 53486
Step 95: 53486 + 569 = 54055
Step 96: 54055 + 569 = 54624
Step 97: 54624 + 569 = 55193
Step 98: 55193 + 569 = 55762
Step 99: 55762 + 569 = 56331
Step 100: 56331 + 569 = 56900
Step 101: 56900 + 569 = 57469
Step 102: 57469 + 569 = 58038
Step 103: 58038 + 569 = 58607
Step 104: 58607 + 569 = 59176
Step 105: 59176 + 569 = 59745
Step 106: 59745 + 569 = 60314
Step 107: 60314 + 569 = 60883
Step 108: 60883 + 569 = 61452
Step 109: 61452 + 569 = 62021
Step 110: 62021 + 569 = 62590
Step 111: 62590 + 569 = 63159
Step 112: 63159 + 569 = 63728
Step 113: 63728 + 569 = 64297
Step 114: 64297 + 569 = 64866
Step 115: 64866 + 569 = 65435
Step 116: 65435 + 569 = 66004
Step 117: 66004 + 569 = 66573
Step 118: 66573 + 569 = 67142
Step 119: 67142 + 569 = 67711
Step 120: 67711 + 569 = 68280
Step 121: 68280 + 569 = 68849
Step 122: 68849 + 569 = 69418
Step 123: 69418 + 569 = 69987
Step 124: 69987 + 569 = 70556
Step 125: 70556 + 569 = 71125
Step 126: 71125 + 569 = 71694
Step 127: 71694 + 569 = 72263
Step 128: 72263 + 569 = 72832
Step 129: 72832 + 569 = 73401
Step 130: 73401 + 569 = 73970
Step 131: 73970 + 569 = 74539
Step 132: 74539 + 569 = 75108
Step 133: 75108 + 569 = 75677
Step 134: 75677 + 569 = 76246
Step 135: 76246 + 569 = 76815
Step 136: 76815 + 569 = 77384
Step 137: 77384 + 569 = 77953
Step 138: 77953 + 569 = 78522
Step 139: 78522 + 569 = 79091
Step 140: 79091 + 569 = 79660
Step 141: 79660 + 569 = 80229
Step 142: 80229 + 569 = 80798
Step 143: 80798 + 569 = 81367
Step 144: 81367 + 569 = 81936
Step 145: 81936 + 569 = 82505
Step 146: 82505 + 569 = 83074
Step 147: 83074 + 569 = 83643
Step 148: 83643 + 569 = 84212
Step 149: 84212 + 569 = 84781
Step 150: 84781 + 569 = 85350
Step 151: 85350 + 569 = 85919
Step 152: 85919 + 569 = 86488
Step 153: 86488 + 569 = 87057
Step 154: 87057 + 569 = 87626
Step 155: 87626 + 569 = 88195
Step 156: 88195 + 569 = 88764
Step 157: 88764 + 569 = 89333
Step 158: 89333 + 569 = 89902
Step 159: 89902 + 569 = 90471
Step 160: 90471 + 569 = 91040
Step 161: 91040 + 569 = 91609
Step 162: 91609 + 569 = 92178
Step 163: 92178 + 569 = 92747
Step 164: 92747 + 569 = 93316
Step 165: 93316 + 569 = 93885
Step 166: 93885 + 569 = 94454
Step 167: 94454 + 569 = 95023
Step 168: 95023 + 569 = 95592
Step 169: 95592 + 569 = 96161
Step 170: 96161 + 569 = 96730
Step 171: 96730 + 569 = 97299
Step 172: 97299 + 569 = 97868
Step 173: 97868 + 569 = 98437
Step 174: 98437 + 569 = 99006
Step 175: 99006 + 569 = 99575
Step 176: 99575 + 569 = 100144
Step 177: 100144 + 569 = 100713
Step 178: 100713 + 569 = 101282
Step 179: 101282 + 569 = 101851
Step 180: 101851 + 569 = 102420
Step 181: 102420 + 569 = 102989
Step 182: 102989 + 569 = 103558
Step 183: 103558 + 569 = 104127
Step 184: 104127 + 569 = 104696
Step 185: 104696 + 569 = 105265
Step 186: 105265 + 569 = 105834
Step 187: 105834 + 569 = 106403
Step 188: 106403 + 569 = 106972
Step 189: 106972 + 569 = 107541
Step 190: 107541 + 569 = 108110
Step 191: 108110 + 569 = 108679
Step 192: 108679 + 569 = 109248
Step 193: 109248 + 569 = 109817
Step 194: 109817 + 569 = 110386
Step 195: 110386 + 569 = 110955
Step 196: 110955 + 569 = 111524
Step 197: 111524 + 569 = 112093
Step 198: 112093 + 569 = 112662
Step 199: 112662 + 569 = 113231
Step 200: 113231 + 569 = 113800
Step 201: 113800 + 569 = 114369
Step 202: 114369 + 569 = 114938
Step 203: 114938 + 569 = 115507
Step 204: 115507 + 569 = 116076
Step 205: 116076 + 569 = 116645
Step 206: 116645 + 569 = 117214
Step 207: 117214 + 569 = 117783
Step 208: 117783 + 569 = 118352
Step 209: 118352 + 569 = 118921
Step 210: 118921 + 569 = 119490
Step 211: 119490 + 569 = 120059
Step 212: 120059 + 569 = 120628
Step 213: 120628 + 569 = 121197
Step 214: 121197 + 569 = 121766
Step 215: 121766 + 569 = 122335
Step 216: 122335 + 569 = 122904
Step 217: 122904 + 569 = 123473
Step 218: 123473 + 569 = 124042
Step 219: 124042 + 569 = 124611
Step 220: 124611 + 569 = 125180
Step 221: 125180 + 569 = 125749
Step 222: 125749 + 569 = 126318
Step 223: 126318 + 569 = 126887
Step 224: 126887 + 569 = 127456
Step 225: 127456 + 569 = 128025
Step 226: 128025 + 569 = 128594
Step 227: 128594 + 569 = 129163
Step 228: 129163 + 569 = 129732
Step 229: 129732 + 569 = 130301
Step 230: 130301 + 569 = 130870
Step 231: 130870 + 569 = 131439
Step 232: 131439 + 569 = 132008
Step 233: 132008 + 569 = 132577
Step 234: 132577 + 569 = 133146
Step 235: 133146 + 569 = 133715
Step 236: 133715 + 569 = 134284
Step 237: 134284 + 569 = 134853
Step 238: 134853 + 569 = 135422
Step 239: 135422 + 569 = 135991
Step 240: 135991 + 569 = 136560
Step 241: 136560 + 569 = 137129
Step 242: 137129 + 569 = 137698
Step 243: 137698 + 569 = 138267
Step 244: 138267 + 569 = 138836
Step 245: 138836 + 569 = 139405
Step 246: 139405 + 569 = 139974
Step 247: 139974 + 569 = 140543
Step 248: 140543 + 569 = 141112
Step 249: 141112 + 569 = 141681
Step 250: 141681 + 569 = 142250
Step 251: 142250 + 569 = 142819
Step 252: 142819 + 569 = 143388
Step 253: 143388 + 569 = 143957
Step 254: 143957 + 569 = 144526
Step 255: 144526 + 569 = 145095
Step 256: 145095 + 569 = 145664
Step 257: 145664 + 569 = 146233
Step 258: 146233 + 569 = 146802
Step 259: 146802 + 569 = 147371
Step 260: 147371 + 569 = 147940
Step 261: 147940 + 569 = 148509
Step 262: 148509 + 569 = 149078
Step 263: 149078 + 569 = 149647
Step 264: 149647 + 569 = 150216
Step 265: 150216 + 569 = 150785
Step 266: 150785 + 569 = 151354
Step 267: 151354 + 569 = 151923
Step 268: 151923 + 569 = 152492
Step 269: 152492 + 569 = 153061
Step 270: 153061 + 569 = 153630
Step 271: 153630 + 569 = 154199
Step 272: 154199 + 569 = 154768
Step 273: 154768 + 569 = 155337
Step 274: 155337 + 569 = 155906
Step 275: 155906 + 569 = 156475
Step 276: 156475 + 569 = 157044
Step 277: 157044 + 569 = 157613
Step 278: 157613 + 569 = 158182
Step 279: 158182 + 569 = 158751
Step 280: 158751 + 569 = 159320
Step 281: 159320 + 569 = 159889
Step 282: 159889 + 569 = 160458
Step 283: 160458 + 569 = 161027
Step 284: 161027 + 569 = 161596
Step 285: 161596 + 569 = 162165
Step 286: 162165 + 569 = 162734
Step 287: 162734 + 569 = 163303
Step 288: 163303 + 569 = 163872
Step 289: 163872 + 569 = 164441
Step 290: 164441 + 569 = 165010
Step 291: 165010 + 569 = 165579
Step 292: 165579 + 569 = 166148
Step 293: 166148 + 569 = 166717
Step 294: 166717 + 569 = 167286
Step 295: 167286 + 569 = 167855
Step 296: 167855 + 569 = 168424
Step 297: 168424 + 569 = 168993
Step 298: 168993 + 569 = 169562
Step 299: 169562 + 569 = 170131
Step 300: 170131 + 569 = 170700
Step 301: 170700 + 569 = 171269
Step 302: 171269 + 569 = 171838
Step 303: 171838 + 569 = 172407
Step 304: 172407 + 569 = 172976
Step 305: 172976 + 569 = 173545
Step 306: 173545 + 569 = 174114
Step 307: 174114 + 569 = 174683
Step 308: 174683 + 569 = 175252
Step 309: 175252 + 569 = 175821
Step 310: 175821 + 569 = 176390
Step 311: 176390 + 569 = 176959
Step 312: 176959 + 569 = 177528
Step 313: 177528 + 569 = 178097
Step 314: 178097 + 569 = 178666
Step 315: 178666 + 569 = 179235
Step 316: 179235 + 569 = 179804
Step 317: 179804 + 569 = 180373
Step 318: 180373 + 569 = 180942
Step 319: 180942 + 569 = 181511
Step 320: 181511 + 569 = 182080
Step 321: 182080 + 569 = 182649
Step 322: 182649 + 569 = 183218
Step 323: 183218 + 569 = 183787
Step 324: 183787 + 569 = 184356
Step 325: 184356 + 569 = 184925
Step 326: 184925 + 569 = 185494
Step 327: 185494 + 569 = 186063
Step 328: 186063 + 569 = 186632
Step 329: 186632 + 569 = 187201
Step 330: 187201 + 569 = 187770
Step 331: 187770 + 569 = 188339
Step 332: 188339 + 569 = 188908
Step 333: 188908 + 569 = 189477
Step 334: 189477 + 569 = 190046
Step 335: 190046 + 569 = 190615
Step 336: 190615 + 569 = 191184
Step 337: 191184 + 569 = 191753
Step 338: 191753 + 569 = 192322
Step 339: 192322 + 569 = 192891
Step 340: 192891 + 569 = 193460
Step 341: 193460 + 569 = 194029
Step 342: 194029 + 569 = 194598
Step 343: 194598 + 569 = 195167
Step 344: 195167 + 569 = 195736
Step 345: 195736 + 569 = 196305
Step 346: 196305 + 569 = 196874
Step 347: 196874 + 569 = 197443
Step 348: 197443 + 569 = 198012
Step 349: 198012 + 569 = 198581
Step 350: 198581 + 569 = 199150
Step 351: 199150 + 569 = 199719
Step 352: 199719 + 569 = 200288
Step 353: 200288 + 569 = 200857
Step 354: 200857 + 569 = 201426
Step 355: 201426 + 569 = 201995
Step 356: 201995 + 569 = 202564
Step 357: 202564 + 569 = 203133
Step 358: 203133 + 569 = 203702
Step 359: 203702 + 569 = 204271
Step 360: 204271 + 569 = 204840
Step 361: 204840 + 569 = 205409
Step 362: 205409 + 569 = 205978
Step 363: 205978 + 569 = 206547
Step 364: 206547 + 569 = 207116
Step 365: 207116 + 569 = 207685
Step 366: 207685 + 569 = 208254
Step 367: 208254 + 569 = 208823
Step 368: 208823 + 569 = 209392
Step 369: 209392 + 569 = 209961
Step 370: 209961 + 569 = 210530
Step 371: 210530 + 569 = 211099
Step 372: 211099 + 569 = 211668
Step 373: 211668 + 569 = 212237
Step 374: 212237 + 569 = 212806
Step 375: 212806 + 569 = 213375
Step 376: 213375 + 569 = 213944
Step 377: 213944 + 569 = 214513
Step 378: 214513 + 569 = 215082
Step 379: 215082 + 569 = 215651
Step 380: 215651 + 569 = 216220
Step 381: 216220 + 569 = 216789
Step 382: 216789 + 569 = 217358
Step 383: 217358 + 569 = 217927
Step 384: 217927 + 569 = 218496
Step 385: 218496 + 569 = 219065
Step 386: 219065 + 569 = 219634
Step 387: 219634 + 569 = 220203
Step 388: 220203 + 569 = 220772
Step 389: 220772 + 569 = 221341
Step 390: 221341 + 569 = 221910
Step 391: 221910 + 569 = 222479
Step 392: 222479 + 569 = 223048
Step 393: 223048 + 569 = 223617
Step 394: 223617 + 569 = 224186
Step 395: 224186 + 569 = 224755
Step 396: 224755 + 569 = 225324
Step 397: 225324 + 569 = 225893
Step 398: 225893 + 569 = 226462
Step 399: 226462 + 569 = 227031
Step 400: 227031 + 569 = 227600
Step 401: 227600 + 569 = 228169
Step 402: 228169 + 569 = 228738
Step 403: 228738 + 569 = 229307
Step 404: 229307 + 569 = 229876
Step 405: 229876 + 569 = 230445
Step 406: 230445 + 569 = 231014
Step 407: 231014 + 569 = 231583
Step 408: 231583 + 569 = 232152
Step 409: 232152 + 569 = 232721
Step 410: 232721 + 569 = 233290
Step 411: 233290 + 569 = 233859
Step 412: 233859 + 569 = 234428
Step 413: 234428 + 569 = 234997
Step 414: 234997 + 569 = 235566
Step 415: 235566 + 569 = 236135
Step 416: 236135 + 569 = 236704
Step 417: 236704 + 569 = 237273
Step 418: 237273 + 569 = 237842
Step 419: 237842 + 569 = 238411
Step 420: 238411 + 569 = 238980
Step 421: 238980 + 569 = 239549

So, 569*421 = 239549