OK, let's crack this. We're given 458 and our task is to multiply it by 429. Essentially, we'll be adding 458 to itself 429 times.
Step 1: 0 + 458 = 458
Step 2: 458 + 458 = 916
Step 3: 916 + 458 = 1374
Step 4: 1374 + 458 = 1832
Step 5: 1832 + 458 = 2290
Step 6: 2290 + 458 = 2748
Step 7: 2748 + 458 = 3206
Step 8: 3206 + 458 = 3664
Step 9: 3664 + 458 = 4122
Step 10: 4122 + 458 = 4580
Step 11: 4580 + 458 = 5038
Step 12: 5038 + 458 = 5496
Step 13: 5496 + 458 = 5954
Step 14: 5954 + 458 = 6412
Step 15: 6412 + 458 = 6870
Step 16: 6870 + 458 = 7328
Step 17: 7328 + 458 = 7786
Step 18: 7786 + 458 = 8244
Step 19: 8244 + 458 = 8702
Step 20: 8702 + 458 = 9160
Step 21: 9160 + 458 = 9618
Step 22: 9618 + 458 = 10076
Step 23: 10076 + 458 = 10534
Step 24: 10534 + 458 = 10992
Step 25: 10992 + 458 = 11450
Step 26: 11450 + 458 = 11908
Step 27: 11908 + 458 = 12366
Step 28: 12366 + 458 = 12824
Step 29: 12824 + 458 = 13282
Step 30: 13282 + 458 = 13740
Step 31: 13740 + 458 = 14198
Step 32: 14198 + 458 = 14656
Step 33: 14656 + 458 = 15114
Step 34: 15114 + 458 = 15572
Step 35: 15572 + 458 = 16030
Step 36: 16030 + 458 = 16488
Step 37: 16488 + 458 = 16946
Step 38: 16946 + 458 = 17404
Step 39: 17404 + 458 = 17862
Step 40: 17862 + 458 = 18320
Step 41: 18320 + 458 = 18778
Step 42: 18778 + 458 = 19236
Step 43: 19236 + 458 = 19694
Step 44: 19694 + 458 = 20152
Step 45: 20152 + 458 = 20610
Step 46: 20610 + 458 = 21068
Step 47: 21068 + 458 = 21526
Step 48: 21526 + 458 = 21984
Step 49: 21984 + 458 = 22442
Step 50: 22442 + 458 = 22900
Step 51: 22900 + 458 = 23358
Step 52: 23358 + 458 = 23816
Step 53: 23816 + 458 = 24274
Step 54: 24274 + 458 = 24732
Step 55: 24732 + 458 = 25190
Step 56: 25190 + 458 = 25648
Step 57: 25648 + 458 = 26106
Step 58: 26106 + 458 = 26564
Step 59: 26564 + 458 = 27022
Step 60: 27022 + 458 = 27480
Step 61: 27480 + 458 = 27938
Step 62: 27938 + 458 = 28396
Step 63: 28396 + 458 = 28854
Step 64: 28854 + 458 = 29312
Step 65: 29312 + 458 = 29770
Step 66: 29770 + 458 = 30228
Step 67: 30228 + 458 = 30686
Step 68: 30686 + 458 = 31144
Step 69: 31144 + 458 = 31602
Step 70: 31602 + 458 = 32060
Step 71: 32060 + 458 = 32518
Step 72: 32518 + 458 = 32976
Step 73: 32976 + 458 = 33434
Step 74: 33434 + 458 = 33892
Step 75: 33892 + 458 = 34350
Step 76: 34350 + 458 = 34808
Step 77: 34808 + 458 = 35266
Step 78: 35266 + 458 = 35724
Step 79: 35724 + 458 = 36182
Step 80: 36182 + 458 = 36640
Step 81: 36640 + 458 = 37098
Step 82: 37098 + 458 = 37556
Step 83: 37556 + 458 = 38014
Step 84: 38014 + 458 = 38472
Step 85: 38472 + 458 = 38930
Step 86: 38930 + 458 = 39388
Step 87: 39388 + 458 = 39846
Step 88: 39846 + 458 = 40304
Step 89: 40304 + 458 = 40762
Step 90: 40762 + 458 = 41220
Step 91: 41220 + 458 = 41678
Step 92: 41678 + 458 = 42136
Step 93: 42136 + 458 = 42594
Step 94: 42594 + 458 = 43052
Step 95: 43052 + 458 = 43510
Step 96: 43510 + 458 = 43968
Step 97: 43968 + 458 = 44426
Step 98: 44426 + 458 = 44884
Step 99: 44884 + 458 = 45342
Step 100: 45342 + 458 = 45800
Step 101: 45800 + 458 = 46258
Step 102: 46258 + 458 = 46716
Step 103: 46716 + 458 = 47174
Step 104: 47174 + 458 = 47632
Step 105: 47632 + 458 = 48090
Step 106: 48090 + 458 = 48548
Step 107: 48548 + 458 = 49006
Step 108: 49006 + 458 = 49464
Step 109: 49464 + 458 = 49922
Step 110: 49922 + 458 = 50380
Step 111: 50380 + 458 = 50838
Step 112: 50838 + 458 = 51296
Step 113: 51296 + 458 = 51754
Step 114: 51754 + 458 = 52212
Step 115: 52212 + 458 = 52670
Step 116: 52670 + 458 = 53128
Step 117: 53128 + 458 = 53586
Step 118: 53586 + 458 = 54044
Step 119: 54044 + 458 = 54502
Step 120: 54502 + 458 = 54960
Step 121: 54960 + 458 = 55418
Step 122: 55418 + 458 = 55876
Step 123: 55876 + 458 = 56334
Step 124: 56334 + 458 = 56792
Step 125: 56792 + 458 = 57250
Step 126: 57250 + 458 = 57708
Step 127: 57708 + 458 = 58166
Step 128: 58166 + 458 = 58624
Step 129: 58624 + 458 = 59082
Step 130: 59082 + 458 = 59540
Step 131: 59540 + 458 = 59998
Step 132: 59998 + 458 = 60456
Step 133: 60456 + 458 = 60914
Step 134: 60914 + 458 = 61372
Step 135: 61372 + 458 = 61830
Step 136: 61830 + 458 = 62288
Step 137: 62288 + 458 = 62746
Step 138: 62746 + 458 = 63204
Step 139: 63204 + 458 = 63662
Step 140: 63662 + 458 = 64120
Step 141: 64120 + 458 = 64578
Step 142: 64578 + 458 = 65036
Step 143: 65036 + 458 = 65494
Step 144: 65494 + 458 = 65952
Step 145: 65952 + 458 = 66410
Step 146: 66410 + 458 = 66868
Step 147: 66868 + 458 = 67326
Step 148: 67326 + 458 = 67784
Step 149: 67784 + 458 = 68242
Step 150: 68242 + 458 = 68700
Step 151: 68700 + 458 = 69158
Step 152: 69158 + 458 = 69616
Step 153: 69616 + 458 = 70074
Step 154: 70074 + 458 = 70532
Step 155: 70532 + 458 = 70990
Step 156: 70990 + 458 = 71448
Step 157: 71448 + 458 = 71906
Step 158: 71906 + 458 = 72364
Step 159: 72364 + 458 = 72822
Step 160: 72822 + 458 = 73280
Step 161: 73280 + 458 = 73738
Step 162: 73738 + 458 = 74196
Step 163: 74196 + 458 = 74654
Step 164: 74654 + 458 = 75112
Step 165: 75112 + 458 = 75570
Step 166: 75570 + 458 = 76028
Step 167: 76028 + 458 = 76486
Step 168: 76486 + 458 = 76944
Step 169: 76944 + 458 = 77402
Step 170: 77402 + 458 = 77860
Step 171: 77860 + 458 = 78318
Step 172: 78318 + 458 = 78776
Step 173: 78776 + 458 = 79234
Step 174: 79234 + 458 = 79692
Step 175: 79692 + 458 = 80150
Step 176: 80150 + 458 = 80608
Step 177: 80608 + 458 = 81066
Step 178: 81066 + 458 = 81524
Step 179: 81524 + 458 = 81982
Step 180: 81982 + 458 = 82440
Step 181: 82440 + 458 = 82898
Step 182: 82898 + 458 = 83356
Step 183: 83356 + 458 = 83814
Step 184: 83814 + 458 = 84272
Step 185: 84272 + 458 = 84730
Step 186: 84730 + 458 = 85188
Step 187: 85188 + 458 = 85646
Step 188: 85646 + 458 = 86104
Step 189: 86104 + 458 = 86562
Step 190: 86562 + 458 = 87020
Step 191: 87020 + 458 = 87478
Step 192: 87478 + 458 = 87936
Step 193: 87936 + 458 = 88394
Step 194: 88394 + 458 = 88852
Step 195: 88852 + 458 = 89310
Step 196: 89310 + 458 = 89768
Step 197: 89768 + 458 = 90226
Step 198: 90226 + 458 = 90684
Step 199: 90684 + 458 = 91142
Step 200: 91142 + 458 = 91600
Step 201: 91600 + 458 = 92058
Step 202: 92058 + 458 = 92516
Step 203: 92516 + 458 = 92974
Step 204: 92974 + 458 = 93432
Step 205: 93432 + 458 = 93890
Step 206: 93890 + 458 = 94348
Step 207: 94348 + 458 = 94806
Step 208: 94806 + 458 = 95264
Step 209: 95264 + 458 = 95722
Step 210: 95722 + 458 = 96180
Step 211: 96180 + 458 = 96638
Step 212: 96638 + 458 = 97096
Step 213: 97096 + 458 = 97554
Step 214: 97554 + 458 = 98012
Step 215: 98012 + 458 = 98470
Step 216: 98470 + 458 = 98928
Step 217: 98928 + 458 = 99386
Step 218: 99386 + 458 = 99844
Step 219: 99844 + 458 = 100302
Step 220: 100302 + 458 = 100760
Step 221: 100760 + 458 = 101218
Step 222: 101218 + 458 = 101676
Step 223: 101676 + 458 = 102134
Step 224: 102134 + 458 = 102592
Step 225: 102592 + 458 = 103050
Step 226: 103050 + 458 = 103508
Step 227: 103508 + 458 = 103966
Step 228: 103966 + 458 = 104424
Step 229: 104424 + 458 = 104882
Step 230: 104882 + 458 = 105340
Step 231: 105340 + 458 = 105798
Step 232: 105798 + 458 = 106256
Step 233: 106256 + 458 = 106714
Step 234: 106714 + 458 = 107172
Step 235: 107172 + 458 = 107630
Step 236: 107630 + 458 = 108088
Step 237: 108088 + 458 = 108546
Step 238: 108546 + 458 = 109004
Step 239: 109004 + 458 = 109462
Step 240: 109462 + 458 = 109920
Step 241: 109920 + 458 = 110378
Step 242: 110378 + 458 = 110836
Step 243: 110836 + 458 = 111294
Step 244: 111294 + 458 = 111752
Step 245: 111752 + 458 = 112210
Step 246: 112210 + 458 = 112668
Step 247: 112668 + 458 = 113126
Step 248: 113126 + 458 = 113584
Step 249: 113584 + 458 = 114042
Step 250: 114042 + 458 = 114500
Step 251: 114500 + 458 = 114958
Step 252: 114958 + 458 = 115416
Step 253: 115416 + 458 = 115874
Step 254: 115874 + 458 = 116332
Step 255: 116332 + 458 = 116790
Step 256: 116790 + 458 = 117248
Step 257: 117248 + 458 = 117706
Step 258: 117706 + 458 = 118164
Step 259: 118164 + 458 = 118622
Step 260: 118622 + 458 = 119080
Step 261: 119080 + 458 = 119538
Step 262: 119538 + 458 = 119996
Step 263: 119996 + 458 = 120454
Step 264: 120454 + 458 = 120912
Step 265: 120912 + 458 = 121370
Step 266: 121370 + 458 = 121828
Step 267: 121828 + 458 = 122286
Step 268: 122286 + 458 = 122744
Step 269: 122744 + 458 = 123202
Step 270: 123202 + 458 = 123660
Step 271: 123660 + 458 = 124118
Step 272: 124118 + 458 = 124576
Step 273: 124576 + 458 = 125034
Step 274: 125034 + 458 = 125492
Step 275: 125492 + 458 = 125950
Step 276: 125950 + 458 = 126408
Step 277: 126408 + 458 = 126866
Step 278: 126866 + 458 = 127324
Step 279: 127324 + 458 = 127782
Step 280: 127782 + 458 = 128240
Step 281: 128240 + 458 = 128698
Step 282: 128698 + 458 = 129156
Step 283: 129156 + 458 = 129614
Step 284: 129614 + 458 = 130072
Step 285: 130072 + 458 = 130530
Step 286: 130530 + 458 = 130988
Step 287: 130988 + 458 = 131446
Step 288: 131446 + 458 = 131904
Step 289: 131904 + 458 = 132362
Step 290: 132362 + 458 = 132820
Step 291: 132820 + 458 = 133278
Step 292: 133278 + 458 = 133736
Step 293: 133736 + 458 = 134194
Step 294: 134194 + 458 = 134652
Step 295: 134652 + 458 = 135110
Step 296: 135110 + 458 = 135568
Step 297: 135568 + 458 = 136026
Step 298: 136026 + 458 = 136484
Step 299: 136484 + 458 = 136942
Step 300: 136942 + 458 = 137400
Step 301: 137400 + 458 = 137858
Step 302: 137858 + 458 = 138316
Step 303: 138316 + 458 = 138774
Step 304: 138774 + 458 = 139232
Step 305: 139232 + 458 = 139690
Step 306: 139690 + 458 = 140148
Step 307: 140148 + 458 = 140606
Step 308: 140606 + 458 = 141064
Step 309: 141064 + 458 = 141522
Step 310: 141522 + 458 = 141980
Step 311: 141980 + 458 = 142438
Step 312: 142438 + 458 = 142896
Step 313: 142896 + 458 = 143354
Step 314: 143354 + 458 = 143812
Step 315: 143812 + 458 = 144270
Step 316: 144270 + 458 = 144728
Step 317: 144728 + 458 = 145186
Step 318: 145186 + 458 = 145644
Step 319: 145644 + 458 = 146102
Step 320: 146102 + 458 = 146560
Step 321: 146560 + 458 = 147018
Step 322: 147018 + 458 = 147476
Step 323: 147476 + 458 = 147934
Step 324: 147934 + 458 = 148392
Step 325: 148392 + 458 = 148850
Step 326: 148850 + 458 = 149308
Step 327: 149308 + 458 = 149766
Step 328: 149766 + 458 = 150224
Step 329: 150224 + 458 = 150682
Step 330: 150682 + 458 = 151140
Step 331: 151140 + 458 = 151598
Step 332: 151598 + 458 = 152056
Step 333: 152056 + 458 = 152514
Step 334: 152514 + 458 = 152972
Step 335: 152972 + 458 = 153430
Step 336: 153430 + 458 = 153888
Step 337: 153888 + 458 = 154346
Step 338: 154346 + 458 = 154804
Step 339: 154804 + 458 = 155262
Step 340: 155262 + 458 = 155720
Step 341: 155720 + 458 = 156178
Step 342: 156178 + 458 = 156636
Step 343: 156636 + 458 = 157094
Step 344: 157094 + 458 = 157552
Step 345: 157552 + 458 = 158010
Step 346: 158010 + 458 = 158468
Step 347: 158468 + 458 = 158926
Step 348: 158926 + 458 = 159384
Step 349: 159384 + 458 = 159842
Step 350: 159842 + 458 = 160300
Step 351: 160300 + 458 = 160758
Step 352: 160758 + 458 = 161216
Step 353: 161216 + 458 = 161674
Step 354: 161674 + 458 = 162132
Step 355: 162132 + 458 = 162590
Step 356: 162590 + 458 = 163048
Step 357: 163048 + 458 = 163506
Step 358: 163506 + 458 = 163964
Step 359: 163964 + 458 = 164422
Step 360: 164422 + 458 = 164880
Step 361: 164880 + 458 = 165338
Step 362: 165338 + 458 = 165796
Step 363: 165796 + 458 = 166254
Step 364: 166254 + 458 = 166712
Step 365: 166712 + 458 = 167170
Step 366: 167170 + 458 = 167628
Step 367: 167628 + 458 = 168086
Step 368: 168086 + 458 = 168544
Step 369: 168544 + 458 = 169002
Step 370: 169002 + 458 = 169460
Step 371: 169460 + 458 = 169918
Step 372: 169918 + 458 = 170376
Step 373: 170376 + 458 = 170834
Step 374: 170834 + 458 = 171292
Step 375: 171292 + 458 = 171750
Step 376: 171750 + 458 = 172208
Step 377: 172208 + 458 = 172666
Step 378: 172666 + 458 = 173124
Step 379: 173124 + 458 = 173582
Step 380: 173582 + 458 = 174040
Step 381: 174040 + 458 = 174498
Step 382: 174498 + 458 = 174956
Step 383: 174956 + 458 = 175414
Step 384: 175414 + 458 = 175872
Step 385: 175872 + 458 = 176330
Step 386: 176330 + 458 = 176788
Step 387: 176788 + 458 = 177246
Step 388: 177246 + 458 = 177704
Step 389: 177704 + 458 = 178162
Step 390: 178162 + 458 = 178620
Step 391: 178620 + 458 = 179078
Step 392: 179078 + 458 = 179536
Step 393: 179536 + 458 = 179994
Step 394: 179994 + 458 = 180452
Step 395: 180452 + 458 = 180910
Step 396: 180910 + 458 = 181368
Step 397: 181368 + 458 = 181826
Step 398: 181826 + 458 = 182284
Step 399: 182284 + 458 = 182742
Step 400: 182742 + 458 = 183200
Step 401: 183200 + 458 = 183658
Step 402: 183658 + 458 = 184116
Step 403: 184116 + 458 = 184574
Step 404: 184574 + 458 = 185032
Step 405: 185032 + 458 = 185490
Step 406: 185490 + 458 = 185948
Step 407: 185948 + 458 = 186406
Step 408: 186406 + 458 = 186864
Step 409: 186864 + 458 = 187322
Step 410: 187322 + 458 = 187780
Step 411: 187780 + 458 = 188238
Step 412: 188238 + 458 = 188696
Step 413: 188696 + 458 = 189154
Step 414: 189154 + 458 = 189612
Step 415: 189612 + 458 = 190070
Step 416: 190070 + 458 = 190528
Step 417: 190528 + 458 = 190986
Step 418: 190986 + 458 = 191444
Step 419: 191444 + 458 = 191902
Step 420: 191902 + 458 = 192360
Step 421: 192360 + 458 = 192818
Step 422: 192818 + 458 = 193276
Step 423: 193276 + 458 = 193734
Step 424: 193734 + 458 = 194192
Step 425: 194192 + 458 = 194650
Step 426: 194650 + 458 = 195108
Step 427: 195108 + 458 = 195566
Step 428: 195566 + 458 = 196024
Step 429: 196024 + 458 = 196482

So, 458*429 = 196482