OK, let's work through this together. We're starting with 47 and we're going to multiply it by 424, which means we add 47 to itself 424 times.
Step 1: 0 + 47 = 47
Step 2: 47 + 47 = 94
Step 3: 94 + 47 = 141
Step 4: 141 + 47 = 188
Step 5: 188 + 47 = 235
Step 6: 235 + 47 = 282
Step 7: 282 + 47 = 329
Step 8: 329 + 47 = 376
Step 9: 376 + 47 = 423
Step 10: 423 + 47 = 470
Step 11: 470 + 47 = 517
Step 12: 517 + 47 = 564
Step 13: 564 + 47 = 611
Step 14: 611 + 47 = 658
Step 15: 658 + 47 = 705
Step 16: 705 + 47 = 752
Step 17: 752 + 47 = 799
Step 18: 799 + 47 = 846
Step 19: 846 + 47 = 893
Step 20: 893 + 47 = 940
Step 21: 940 + 47 = 987
Step 22: 987 + 47 = 1034
Step 23: 1034 + 47 = 1081
Step 24: 1081 + 47 = 1128
Step 25: 1128 + 47 = 1175
Step 26: 1175 + 47 = 1222
Step 27: 1222 + 47 = 1269
Step 28: 1269 + 47 = 1316
Step 29: 1316 + 47 = 1363
Step 30: 1363 + 47 = 1410
Step 31: 1410 + 47 = 1457
Step 32: 1457 + 47 = 1504
Step 33: 1504 + 47 = 1551
Step 34: 1551 + 47 = 1598
Step 35: 1598 + 47 = 1645
Step 36: 1645 + 47 = 1692
Step 37: 1692 + 47 = 1739
Step 38: 1739 + 47 = 1786
Step 39: 1786 + 47 = 1833
Step 40: 1833 + 47 = 1880
Step 41: 1880 + 47 = 1927
Step 42: 1927 + 47 = 1974
Step 43: 1974 + 47 = 2021
Step 44: 2021 + 47 = 2068
Step 45: 2068 + 47 = 2115
Step 46: 2115 + 47 = 2162
Step 47: 2162 + 47 = 2209
Step 48: 2209 + 47 = 2256
Step 49: 2256 + 47 = 2303
Step 50: 2303 + 47 = 2350
Step 51: 2350 + 47 = 2397
Step 52: 2397 + 47 = 2444
Step 53: 2444 + 47 = 2491
Step 54: 2491 + 47 = 2538
Step 55: 2538 + 47 = 2585
Step 56: 2585 + 47 = 2632
Step 57: 2632 + 47 = 2679
Step 58: 2679 + 47 = 2726
Step 59: 2726 + 47 = 2773
Step 60: 2773 + 47 = 2820
Step 61: 2820 + 47 = 2867
Step 62: 2867 + 47 = 2914
Step 63: 2914 + 47 = 2961
Step 64: 2961 + 47 = 3008
Step 65: 3008 + 47 = 3055
Step 66: 3055 + 47 = 3102
Step 67: 3102 + 47 = 3149
Step 68: 3149 + 47 = 3196
Step 69: 3196 + 47 = 3243
Step 70: 3243 + 47 = 3290
Step 71: 3290 + 47 = 3337
Step 72: 3337 + 47 = 3384
Step 73: 3384 + 47 = 3431
Step 74: 3431 + 47 = 3478
Step 75: 3478 + 47 = 3525
Step 76: 3525 + 47 = 3572
Step 77: 3572 + 47 = 3619
Step 78: 3619 + 47 = 3666
Step 79: 3666 + 47 = 3713
Step 80: 3713 + 47 = 3760
Step 81: 3760 + 47 = 3807
Step 82: 3807 + 47 = 3854
Step 83: 3854 + 47 = 3901
Step 84: 3901 + 47 = 3948
Step 85: 3948 + 47 = 3995
Step 86: 3995 + 47 = 4042
Step 87: 4042 + 47 = 4089
Step 88: 4089 + 47 = 4136
Step 89: 4136 + 47 = 4183
Step 90: 4183 + 47 = 4230
Step 91: 4230 + 47 = 4277
Step 92: 4277 + 47 = 4324
Step 93: 4324 + 47 = 4371
Step 94: 4371 + 47 = 4418
Step 95: 4418 + 47 = 4465
Step 96: 4465 + 47 = 4512
Step 97: 4512 + 47 = 4559
Step 98: 4559 + 47 = 4606
Step 99: 4606 + 47 = 4653
Step 100: 4653 + 47 = 4700
Step 101: 4700 + 47 = 4747
Step 102: 4747 + 47 = 4794
Step 103: 4794 + 47 = 4841
Step 104: 4841 + 47 = 4888
Step 105: 4888 + 47 = 4935
Step 106: 4935 + 47 = 4982
Step 107: 4982 + 47 = 5029
Step 108: 5029 + 47 = 5076
Step 109: 5076 + 47 = 5123
Step 110: 5123 + 47 = 5170
Step 111: 5170 + 47 = 5217
Step 112: 5217 + 47 = 5264
Step 113: 5264 + 47 = 5311
Step 114: 5311 + 47 = 5358
Step 115: 5358 + 47 = 5405
Step 116: 5405 + 47 = 5452
Step 117: 5452 + 47 = 5499
Step 118: 5499 + 47 = 5546
Step 119: 5546 + 47 = 5593
Step 120: 5593 + 47 = 5640
Step 121: 5640 + 47 = 5687
Step 122: 5687 + 47 = 5734
Step 123: 5734 + 47 = 5781
Step 124: 5781 + 47 = 5828
Step 125: 5828 + 47 = 5875
Step 126: 5875 + 47 = 5922
Step 127: 5922 + 47 = 5969
Step 128: 5969 + 47 = 6016
Step 129: 6016 + 47 = 6063
Step 130: 6063 + 47 = 6110
Step 131: 6110 + 47 = 6157
Step 132: 6157 + 47 = 6204
Step 133: 6204 + 47 = 6251
Step 134: 6251 + 47 = 6298
Step 135: 6298 + 47 = 6345
Step 136: 6345 + 47 = 6392
Step 137: 6392 + 47 = 6439
Step 138: 6439 + 47 = 6486
Step 139: 6486 + 47 = 6533
Step 140: 6533 + 47 = 6580
Step 141: 6580 + 47 = 6627
Step 142: 6627 + 47 = 6674
Step 143: 6674 + 47 = 6721
Step 144: 6721 + 47 = 6768
Step 145: 6768 + 47 = 6815
Step 146: 6815 + 47 = 6862
Step 147: 6862 + 47 = 6909
Step 148: 6909 + 47 = 6956
Step 149: 6956 + 47 = 7003
Step 150: 7003 + 47 = 7050
Step 151: 7050 + 47 = 7097
Step 152: 7097 + 47 = 7144
Step 153: 7144 + 47 = 7191
Step 154: 7191 + 47 = 7238
Step 155: 7238 + 47 = 7285
Step 156: 7285 + 47 = 7332
Step 157: 7332 + 47 = 7379
Step 158: 7379 + 47 = 7426
Step 159: 7426 + 47 = 7473
Step 160: 7473 + 47 = 7520
Step 161: 7520 + 47 = 7567
Step 162: 7567 + 47 = 7614
Step 163: 7614 + 47 = 7661
Step 164: 7661 + 47 = 7708
Step 165: 7708 + 47 = 7755
Step 166: 7755 + 47 = 7802
Step 167: 7802 + 47 = 7849
Step 168: 7849 + 47 = 7896
Step 169: 7896 + 47 = 7943
Step 170: 7943 + 47 = 7990
Step 171: 7990 + 47 = 8037
Step 172: 8037 + 47 = 8084
Step 173: 8084 + 47 = 8131
Step 174: 8131 + 47 = 8178
Step 175: 8178 + 47 = 8225
Step 176: 8225 + 47 = 8272
Step 177: 8272 + 47 = 8319
Step 178: 8319 + 47 = 8366
Step 179: 8366 + 47 = 8413
Step 180: 8413 + 47 = 8460
Step 181: 8460 + 47 = 8507
Step 182: 8507 + 47 = 8554
Step 183: 8554 + 47 = 8601
Step 184: 8601 + 47 = 8648
Step 185: 8648 + 47 = 8695
Step 186: 8695 + 47 = 8742
Step 187: 8742 + 47 = 8789
Step 188: 8789 + 47 = 8836
Step 189: 8836 + 47 = 8883
Step 190: 8883 + 47 = 8930
Step 191: 8930 + 47 = 8977
Step 192: 8977 + 47 = 9024
Step 193: 9024 + 47 = 9071
Step 194: 9071 + 47 = 9118
Step 195: 9118 + 47 = 9165
Step 196: 9165 + 47 = 9212
Step 197: 9212 + 47 = 9259
Step 198: 9259 + 47 = 9306
Step 199: 9306 + 47 = 9353
Step 200: 9353 + 47 = 9400
Step 201: 9400 + 47 = 9447
Step 202: 9447 + 47 = 9494
Step 203: 9494 + 47 = 9541
Step 204: 9541 + 47 = 9588
Step 205: 9588 + 47 = 9635
Step 206: 9635 + 47 = 9682
Step 207: 9682 + 47 = 9729
Step 208: 9729 + 47 = 9776
Step 209: 9776 + 47 = 9823
Step 210: 9823 + 47 = 9870
Step 211: 9870 + 47 = 9917
Step 212: 9917 + 47 = 9964
Step 213: 9964 + 47 = 10011
Step 214: 10011 + 47 = 10058
Step 215: 10058 + 47 = 10105
Step 216: 10105 + 47 = 10152
Step 217: 10152 + 47 = 10199
Step 218: 10199 + 47 = 10246
Step 219: 10246 + 47 = 10293
Step 220: 10293 + 47 = 10340
Step 221: 10340 + 47 = 10387
Step 222: 10387 + 47 = 10434
Step 223: 10434 + 47 = 10481
Step 224: 10481 + 47 = 10528
Step 225: 10528 + 47 = 10575
Step 226: 10575 + 47 = 10622
Step 227: 10622 + 47 = 10669
Step 228: 10669 + 47 = 10716
Step 229: 10716 + 47 = 10763
Step 230: 10763 + 47 = 10810
Step 231: 10810 + 47 = 10857
Step 232: 10857 + 47 = 10904
Step 233: 10904 + 47 = 10951
Step 234: 10951 + 47 = 10998
Step 235: 10998 + 47 = 11045
Step 236: 11045 + 47 = 11092
Step 237: 11092 + 47 = 11139
Step 238: 11139 + 47 = 11186
Step 239: 11186 + 47 = 11233
Step 240: 11233 + 47 = 11280
Step 241: 11280 + 47 = 11327
Step 242: 11327 + 47 = 11374
Step 243: 11374 + 47 = 11421
Step 244: 11421 + 47 = 11468
Step 245: 11468 + 47 = 11515
Step 246: 11515 + 47 = 11562
Step 247: 11562 + 47 = 11609
Step 248: 11609 + 47 = 11656
Step 249: 11656 + 47 = 11703
Step 250: 11703 + 47 = 11750
Step 251: 11750 + 47 = 11797
Step 252: 11797 + 47 = 11844
Step 253: 11844 + 47 = 11891
Step 254: 11891 + 47 = 11938
Step 255: 11938 + 47 = 11985
Step 256: 11985 + 47 = 12032
Step 257: 12032 + 47 = 12079
Step 258: 12079 + 47 = 12126
Step 259: 12126 + 47 = 12173
Step 260: 12173 + 47 = 12220
Step 261: 12220 + 47 = 12267
Step 262: 12267 + 47 = 12314
Step 263: 12314 + 47 = 12361
Step 264: 12361 + 47 = 12408
Step 265: 12408 + 47 = 12455
Step 266: 12455 + 47 = 12502
Step 267: 12502 + 47 = 12549
Step 268: 12549 + 47 = 12596
Step 269: 12596 + 47 = 12643
Step 270: 12643 + 47 = 12690
Step 271: 12690 + 47 = 12737
Step 272: 12737 + 47 = 12784
Step 273: 12784 + 47 = 12831
Step 274: 12831 + 47 = 12878
Step 275: 12878 + 47 = 12925
Step 276: 12925 + 47 = 12972
Step 277: 12972 + 47 = 13019
Step 278: 13019 + 47 = 13066
Step 279: 13066 + 47 = 13113
Step 280: 13113 + 47 = 13160
Step 281: 13160 + 47 = 13207
Step 282: 13207 + 47 = 13254
Step 283: 13254 + 47 = 13301
Step 284: 13301 + 47 = 13348
Step 285: 13348 + 47 = 13395
Step 286: 13395 + 47 = 13442
Step 287: 13442 + 47 = 13489
Step 288: 13489 + 47 = 13536
Step 289: 13536 + 47 = 13583
Step 290: 13583 + 47 = 13630
Step 291: 13630 + 47 = 13677
Step 292: 13677 + 47 = 13724
Step 293: 13724 + 47 = 13771
Step 294: 13771 + 47 = 13818
Step 295: 13818 + 47 = 13865
Step 296: 13865 + 47 = 13912
Step 297: 13912 + 47 = 13959
Step 298: 13959 + 47 = 14006
Step 299: 14006 + 47 = 14053
Step 300: 14053 + 47 = 14100
Step 301: 14100 + 47 = 14147
Step 302: 14147 + 47 = 14194
Step 303: 14194 + 47 = 14241
Step 304: 14241 + 47 = 14288
Step 305: 14288 + 47 = 14335
Step 306: 14335 + 47 = 14382
Step 307: 14382 + 47 = 14429
Step 308: 14429 + 47 = 14476
Step 309: 14476 + 47 = 14523
Step 310: 14523 + 47 = 14570
Step 311: 14570 + 47 = 14617
Step 312: 14617 + 47 = 14664
Step 313: 14664 + 47 = 14711
Step 314: 14711 + 47 = 14758
Step 315: 14758 + 47 = 14805
Step 316: 14805 + 47 = 14852
Step 317: 14852 + 47 = 14899
Step 318: 14899 + 47 = 14946
Step 319: 14946 + 47 = 14993
Step 320: 14993 + 47 = 15040
Step 321: 15040 + 47 = 15087
Step 322: 15087 + 47 = 15134
Step 323: 15134 + 47 = 15181
Step 324: 15181 + 47 = 15228
Step 325: 15228 + 47 = 15275
Step 326: 15275 + 47 = 15322
Step 327: 15322 + 47 = 15369
Step 328: 15369 + 47 = 15416
Step 329: 15416 + 47 = 15463
Step 330: 15463 + 47 = 15510
Step 331: 15510 + 47 = 15557
Step 332: 15557 + 47 = 15604
Step 333: 15604 + 47 = 15651
Step 334: 15651 + 47 = 15698
Step 335: 15698 + 47 = 15745
Step 336: 15745 + 47 = 15792
Step 337: 15792 + 47 = 15839
Step 338: 15839 + 47 = 15886
Step 339: 15886 + 47 = 15933
Step 340: 15933 + 47 = 15980
Step 341: 15980 + 47 = 16027
Step 342: 16027 + 47 = 16074
Step 343: 16074 + 47 = 16121
Step 344: 16121 + 47 = 16168
Step 345: 16168 + 47 = 16215
Step 346: 16215 + 47 = 16262
Step 347: 16262 + 47 = 16309
Step 348: 16309 + 47 = 16356
Step 349: 16356 + 47 = 16403
Step 350: 16403 + 47 = 16450
Step 351: 16450 + 47 = 16497
Step 352: 16497 + 47 = 16544
Step 353: 16544 + 47 = 16591
Step 354: 16591 + 47 = 16638
Step 355: 16638 + 47 = 16685
Step 356: 16685 + 47 = 16732
Step 357: 16732 + 47 = 16779
Step 358: 16779 + 47 = 16826
Step 359: 16826 + 47 = 16873
Step 360: 16873 + 47 = 16920
Step 361: 16920 + 47 = 16967
Step 362: 16967 + 47 = 17014
Step 363: 17014 + 47 = 17061
Step 364: 17061 + 47 = 17108
Step 365: 17108 + 47 = 17155
Step 366: 17155 + 47 = 17202
Step 367: 17202 + 47 = 17249
Step 368: 17249 + 47 = 17296
Step 369: 17296 + 47 = 17343
Step 370: 17343 + 47 = 17390
Step 371: 17390 + 47 = 17437
Step 372: 17437 + 47 = 17484
Step 373: 17484 + 47 = 17531
Step 374: 17531 + 47 = 17578
Step 375: 17578 + 47 = 17625
Step 376: 17625 + 47 = 17672
Step 377: 17672 + 47 = 17719
Step 378: 17719 + 47 = 17766
Step 379: 17766 + 47 = 17813
Step 380: 17813 + 47 = 17860
Step 381: 17860 + 47 = 17907
Step 382: 17907 + 47 = 17954
Step 383: 17954 + 47 = 18001
Step 384: 18001 + 47 = 18048
Step 385: 18048 + 47 = 18095
Step 386: 18095 + 47 = 18142
Step 387: 18142 + 47 = 18189
Step 388: 18189 + 47 = 18236
Step 389: 18236 + 47 = 18283
Step 390: 18283 + 47 = 18330
Step 391: 18330 + 47 = 18377
Step 392: 18377 + 47 = 18424
Step 393: 18424 + 47 = 18471
Step 394: 18471 + 47 = 18518
Step 395: 18518 + 47 = 18565
Step 396: 18565 + 47 = 18612
Step 397: 18612 + 47 = 18659
Step 398: 18659 + 47 = 18706
Step 399: 18706 + 47 = 18753
Step 400: 18753 + 47 = 18800
Step 401: 18800 + 47 = 18847
Step 402: 18847 + 47 = 18894
Step 403: 18894 + 47 = 18941
Step 404: 18941 + 47 = 18988
Step 405: 18988 + 47 = 19035
Step 406: 19035 + 47 = 19082
Step 407: 19082 + 47 = 19129
Step 408: 19129 + 47 = 19176
Step 409: 19176 + 47 = 19223
Step 410: 19223 + 47 = 19270
Step 411: 19270 + 47 = 19317
Step 412: 19317 + 47 = 19364
Step 413: 19364 + 47 = 19411
Step 414: 19411 + 47 = 19458
Step 415: 19458 + 47 = 19505
Step 416: 19505 + 47 = 19552
Step 417: 19552 + 47 = 19599
Step 418: 19599 + 47 = 19646
Step 419: 19646 + 47 = 19693
Step 420: 19693 + 47 = 19740
Step 421: 19740 + 47 = 19787
Step 422: 19787 + 47 = 19834
Step 423: 19834 + 47 = 19881
Step 424: 19881 + 47 = 19928

So, 47*424 = 19928