Without delay, let's solve this. We've got 142 and we will be multiplying it by 438, that is, adding 142 to itself 438 times.
Step 1: 0 + 142 = 142
Step 2: 142 + 142 = 284
Step 3: 284 + 142 = 426
Step 4: 426 + 142 = 568
Step 5: 568 + 142 = 710
Step 6: 710 + 142 = 852
Step 7: 852 + 142 = 994
Step 8: 994 + 142 = 1136
Step 9: 1136 + 142 = 1278
Step 10: 1278 + 142 = 1420
Step 11: 1420 + 142 = 1562
Step 12: 1562 + 142 = 1704
Step 13: 1704 + 142 = 1846
Step 14: 1846 + 142 = 1988
Step 15: 1988 + 142 = 2130
Step 16: 2130 + 142 = 2272
Step 17: 2272 + 142 = 2414
Step 18: 2414 + 142 = 2556
Step 19: 2556 + 142 = 2698
Step 20: 2698 + 142 = 2840
Step 21: 2840 + 142 = 2982
Step 22: 2982 + 142 = 3124
Step 23: 3124 + 142 = 3266
Step 24: 3266 + 142 = 3408
Step 25: 3408 + 142 = 3550
Step 26: 3550 + 142 = 3692
Step 27: 3692 + 142 = 3834
Step 28: 3834 + 142 = 3976
Step 29: 3976 + 142 = 4118
Step 30: 4118 + 142 = 4260
Step 31: 4260 + 142 = 4402
Step 32: 4402 + 142 = 4544
Step 33: 4544 + 142 = 4686
Step 34: 4686 + 142 = 4828
Step 35: 4828 + 142 = 4970
Step 36: 4970 + 142 = 5112
Step 37: 5112 + 142 = 5254
Step 38: 5254 + 142 = 5396
Step 39: 5396 + 142 = 5538
Step 40: 5538 + 142 = 5680
Step 41: 5680 + 142 = 5822
Step 42: 5822 + 142 = 5964
Step 43: 5964 + 142 = 6106
Step 44: 6106 + 142 = 6248
Step 45: 6248 + 142 = 6390
Step 46: 6390 + 142 = 6532
Step 47: 6532 + 142 = 6674
Step 48: 6674 + 142 = 6816
Step 49: 6816 + 142 = 6958
Step 50: 6958 + 142 = 7100
Step 51: 7100 + 142 = 7242
Step 52: 7242 + 142 = 7384
Step 53: 7384 + 142 = 7526
Step 54: 7526 + 142 = 7668
Step 55: 7668 + 142 = 7810
Step 56: 7810 + 142 = 7952
Step 57: 7952 + 142 = 8094
Step 58: 8094 + 142 = 8236
Step 59: 8236 + 142 = 8378
Step 60: 8378 + 142 = 8520
Step 61: 8520 + 142 = 8662
Step 62: 8662 + 142 = 8804
Step 63: 8804 + 142 = 8946
Step 64: 8946 + 142 = 9088
Step 65: 9088 + 142 = 9230
Step 66: 9230 + 142 = 9372
Step 67: 9372 + 142 = 9514
Step 68: 9514 + 142 = 9656
Step 69: 9656 + 142 = 9798
Step 70: 9798 + 142 = 9940
Step 71: 9940 + 142 = 10082
Step 72: 10082 + 142 = 10224
Step 73: 10224 + 142 = 10366
Step 74: 10366 + 142 = 10508
Step 75: 10508 + 142 = 10650
Step 76: 10650 + 142 = 10792
Step 77: 10792 + 142 = 10934
Step 78: 10934 + 142 = 11076
Step 79: 11076 + 142 = 11218
Step 80: 11218 + 142 = 11360
Step 81: 11360 + 142 = 11502
Step 82: 11502 + 142 = 11644
Step 83: 11644 + 142 = 11786
Step 84: 11786 + 142 = 11928
Step 85: 11928 + 142 = 12070
Step 86: 12070 + 142 = 12212
Step 87: 12212 + 142 = 12354
Step 88: 12354 + 142 = 12496
Step 89: 12496 + 142 = 12638
Step 90: 12638 + 142 = 12780
Step 91: 12780 + 142 = 12922
Step 92: 12922 + 142 = 13064
Step 93: 13064 + 142 = 13206
Step 94: 13206 + 142 = 13348
Step 95: 13348 + 142 = 13490
Step 96: 13490 + 142 = 13632
Step 97: 13632 + 142 = 13774
Step 98: 13774 + 142 = 13916
Step 99: 13916 + 142 = 14058
Step 100: 14058 + 142 = 14200
Step 101: 14200 + 142 = 14342
Step 102: 14342 + 142 = 14484
Step 103: 14484 + 142 = 14626
Step 104: 14626 + 142 = 14768
Step 105: 14768 + 142 = 14910
Step 106: 14910 + 142 = 15052
Step 107: 15052 + 142 = 15194
Step 108: 15194 + 142 = 15336
Step 109: 15336 + 142 = 15478
Step 110: 15478 + 142 = 15620
Step 111: 15620 + 142 = 15762
Step 112: 15762 + 142 = 15904
Step 113: 15904 + 142 = 16046
Step 114: 16046 + 142 = 16188
Step 115: 16188 + 142 = 16330
Step 116: 16330 + 142 = 16472
Step 117: 16472 + 142 = 16614
Step 118: 16614 + 142 = 16756
Step 119: 16756 + 142 = 16898
Step 120: 16898 + 142 = 17040
Step 121: 17040 + 142 = 17182
Step 122: 17182 + 142 = 17324
Step 123: 17324 + 142 = 17466
Step 124: 17466 + 142 = 17608
Step 125: 17608 + 142 = 17750
Step 126: 17750 + 142 = 17892
Step 127: 17892 + 142 = 18034
Step 128: 18034 + 142 = 18176
Step 129: 18176 + 142 = 18318
Step 130: 18318 + 142 = 18460
Step 131: 18460 + 142 = 18602
Step 132: 18602 + 142 = 18744
Step 133: 18744 + 142 = 18886
Step 134: 18886 + 142 = 19028
Step 135: 19028 + 142 = 19170
Step 136: 19170 + 142 = 19312
Step 137: 19312 + 142 = 19454
Step 138: 19454 + 142 = 19596
Step 139: 19596 + 142 = 19738
Step 140: 19738 + 142 = 19880
Step 141: 19880 + 142 = 20022
Step 142: 20022 + 142 = 20164
Step 143: 20164 + 142 = 20306
Step 144: 20306 + 142 = 20448
Step 145: 20448 + 142 = 20590
Step 146: 20590 + 142 = 20732
Step 147: 20732 + 142 = 20874
Step 148: 20874 + 142 = 21016
Step 149: 21016 + 142 = 21158
Step 150: 21158 + 142 = 21300
Step 151: 21300 + 142 = 21442
Step 152: 21442 + 142 = 21584
Step 153: 21584 + 142 = 21726
Step 154: 21726 + 142 = 21868
Step 155: 21868 + 142 = 22010
Step 156: 22010 + 142 = 22152
Step 157: 22152 + 142 = 22294
Step 158: 22294 + 142 = 22436
Step 159: 22436 + 142 = 22578
Step 160: 22578 + 142 = 22720
Step 161: 22720 + 142 = 22862
Step 162: 22862 + 142 = 23004
Step 163: 23004 + 142 = 23146
Step 164: 23146 + 142 = 23288
Step 165: 23288 + 142 = 23430
Step 166: 23430 + 142 = 23572
Step 167: 23572 + 142 = 23714
Step 168: 23714 + 142 = 23856
Step 169: 23856 + 142 = 23998
Step 170: 23998 + 142 = 24140
Step 171: 24140 + 142 = 24282
Step 172: 24282 + 142 = 24424
Step 173: 24424 + 142 = 24566
Step 174: 24566 + 142 = 24708
Step 175: 24708 + 142 = 24850
Step 176: 24850 + 142 = 24992
Step 177: 24992 + 142 = 25134
Step 178: 25134 + 142 = 25276
Step 179: 25276 + 142 = 25418
Step 180: 25418 + 142 = 25560
Step 181: 25560 + 142 = 25702
Step 182: 25702 + 142 = 25844
Step 183: 25844 + 142 = 25986
Step 184: 25986 + 142 = 26128
Step 185: 26128 + 142 = 26270
Step 186: 26270 + 142 = 26412
Step 187: 26412 + 142 = 26554
Step 188: 26554 + 142 = 26696
Step 189: 26696 + 142 = 26838
Step 190: 26838 + 142 = 26980
Step 191: 26980 + 142 = 27122
Step 192: 27122 + 142 = 27264
Step 193: 27264 + 142 = 27406
Step 194: 27406 + 142 = 27548
Step 195: 27548 + 142 = 27690
Step 196: 27690 + 142 = 27832
Step 197: 27832 + 142 = 27974
Step 198: 27974 + 142 = 28116
Step 199: 28116 + 142 = 28258
Step 200: 28258 + 142 = 28400
Step 201: 28400 + 142 = 28542
Step 202: 28542 + 142 = 28684
Step 203: 28684 + 142 = 28826
Step 204: 28826 + 142 = 28968
Step 205: 28968 + 142 = 29110
Step 206: 29110 + 142 = 29252
Step 207: 29252 + 142 = 29394
Step 208: 29394 + 142 = 29536
Step 209: 29536 + 142 = 29678
Step 210: 29678 + 142 = 29820
Step 211: 29820 + 142 = 29962
Step 212: 29962 + 142 = 30104
Step 213: 30104 + 142 = 30246
Step 214: 30246 + 142 = 30388
Step 215: 30388 + 142 = 30530
Step 216: 30530 + 142 = 30672
Step 217: 30672 + 142 = 30814
Step 218: 30814 + 142 = 30956
Step 219: 30956 + 142 = 31098
Step 220: 31098 + 142 = 31240
Step 221: 31240 + 142 = 31382
Step 222: 31382 + 142 = 31524
Step 223: 31524 + 142 = 31666
Step 224: 31666 + 142 = 31808
Step 225: 31808 + 142 = 31950
Step 226: 31950 + 142 = 32092
Step 227: 32092 + 142 = 32234
Step 228: 32234 + 142 = 32376
Step 229: 32376 + 142 = 32518
Step 230: 32518 + 142 = 32660
Step 231: 32660 + 142 = 32802
Step 232: 32802 + 142 = 32944
Step 233: 32944 + 142 = 33086
Step 234: 33086 + 142 = 33228
Step 235: 33228 + 142 = 33370
Step 236: 33370 + 142 = 33512
Step 237: 33512 + 142 = 33654
Step 238: 33654 + 142 = 33796
Step 239: 33796 + 142 = 33938
Step 240: 33938 + 142 = 34080
Step 241: 34080 + 142 = 34222
Step 242: 34222 + 142 = 34364
Step 243: 34364 + 142 = 34506
Step 244: 34506 + 142 = 34648
Step 245: 34648 + 142 = 34790
Step 246: 34790 + 142 = 34932
Step 247: 34932 + 142 = 35074
Step 248: 35074 + 142 = 35216
Step 249: 35216 + 142 = 35358
Step 250: 35358 + 142 = 35500
Step 251: 35500 + 142 = 35642
Step 252: 35642 + 142 = 35784
Step 253: 35784 + 142 = 35926
Step 254: 35926 + 142 = 36068
Step 255: 36068 + 142 = 36210
Step 256: 36210 + 142 = 36352
Step 257: 36352 + 142 = 36494
Step 258: 36494 + 142 = 36636
Step 259: 36636 + 142 = 36778
Step 260: 36778 + 142 = 36920
Step 261: 36920 + 142 = 37062
Step 262: 37062 + 142 = 37204
Step 263: 37204 + 142 = 37346
Step 264: 37346 + 142 = 37488
Step 265: 37488 + 142 = 37630
Step 266: 37630 + 142 = 37772
Step 267: 37772 + 142 = 37914
Step 268: 37914 + 142 = 38056
Step 269: 38056 + 142 = 38198
Step 270: 38198 + 142 = 38340
Step 271: 38340 + 142 = 38482
Step 272: 38482 + 142 = 38624
Step 273: 38624 + 142 = 38766
Step 274: 38766 + 142 = 38908
Step 275: 38908 + 142 = 39050
Step 276: 39050 + 142 = 39192
Step 277: 39192 + 142 = 39334
Step 278: 39334 + 142 = 39476
Step 279: 39476 + 142 = 39618
Step 280: 39618 + 142 = 39760
Step 281: 39760 + 142 = 39902
Step 282: 39902 + 142 = 40044
Step 283: 40044 + 142 = 40186
Step 284: 40186 + 142 = 40328
Step 285: 40328 + 142 = 40470
Step 286: 40470 + 142 = 40612
Step 287: 40612 + 142 = 40754
Step 288: 40754 + 142 = 40896
Step 289: 40896 + 142 = 41038
Step 290: 41038 + 142 = 41180
Step 291: 41180 + 142 = 41322
Step 292: 41322 + 142 = 41464
Step 293: 41464 + 142 = 41606
Step 294: 41606 + 142 = 41748
Step 295: 41748 + 142 = 41890
Step 296: 41890 + 142 = 42032
Step 297: 42032 + 142 = 42174
Step 298: 42174 + 142 = 42316
Step 299: 42316 + 142 = 42458
Step 300: 42458 + 142 = 42600
Step 301: 42600 + 142 = 42742
Step 302: 42742 + 142 = 42884
Step 303: 42884 + 142 = 43026
Step 304: 43026 + 142 = 43168
Step 305: 43168 + 142 = 43310
Step 306: 43310 + 142 = 43452
Step 307: 43452 + 142 = 43594
Step 308: 43594 + 142 = 43736
Step 309: 43736 + 142 = 43878
Step 310: 43878 + 142 = 44020
Step 311: 44020 + 142 = 44162
Step 312: 44162 + 142 = 44304
Step 313: 44304 + 142 = 44446
Step 314: 44446 + 142 = 44588
Step 315: 44588 + 142 = 44730
Step 316: 44730 + 142 = 44872
Step 317: 44872 + 142 = 45014
Step 318: 45014 + 142 = 45156
Step 319: 45156 + 142 = 45298
Step 320: 45298 + 142 = 45440
Step 321: 45440 + 142 = 45582
Step 322: 45582 + 142 = 45724
Step 323: 45724 + 142 = 45866
Step 324: 45866 + 142 = 46008
Step 325: 46008 + 142 = 46150
Step 326: 46150 + 142 = 46292
Step 327: 46292 + 142 = 46434
Step 328: 46434 + 142 = 46576
Step 329: 46576 + 142 = 46718
Step 330: 46718 + 142 = 46860
Step 331: 46860 + 142 = 47002
Step 332: 47002 + 142 = 47144
Step 333: 47144 + 142 = 47286
Step 334: 47286 + 142 = 47428
Step 335: 47428 + 142 = 47570
Step 336: 47570 + 142 = 47712
Step 337: 47712 + 142 = 47854
Step 338: 47854 + 142 = 47996
Step 339: 47996 + 142 = 48138
Step 340: 48138 + 142 = 48280
Step 341: 48280 + 142 = 48422
Step 342: 48422 + 142 = 48564
Step 343: 48564 + 142 = 48706
Step 344: 48706 + 142 = 48848
Step 345: 48848 + 142 = 48990
Step 346: 48990 + 142 = 49132
Step 347: 49132 + 142 = 49274
Step 348: 49274 + 142 = 49416
Step 349: 49416 + 142 = 49558
Step 350: 49558 + 142 = 49700
Step 351: 49700 + 142 = 49842
Step 352: 49842 + 142 = 49984
Step 353: 49984 + 142 = 50126
Step 354: 50126 + 142 = 50268
Step 355: 50268 + 142 = 50410
Step 356: 50410 + 142 = 50552
Step 357: 50552 + 142 = 50694
Step 358: 50694 + 142 = 50836
Step 359: 50836 + 142 = 50978
Step 360: 50978 + 142 = 51120
Step 361: 51120 + 142 = 51262
Step 362: 51262 + 142 = 51404
Step 363: 51404 + 142 = 51546
Step 364: 51546 + 142 = 51688
Step 365: 51688 + 142 = 51830
Step 366: 51830 + 142 = 51972
Step 367: 51972 + 142 = 52114
Step 368: 52114 + 142 = 52256
Step 369: 52256 + 142 = 52398
Step 370: 52398 + 142 = 52540
Step 371: 52540 + 142 = 52682
Step 372: 52682 + 142 = 52824
Step 373: 52824 + 142 = 52966
Step 374: 52966 + 142 = 53108
Step 375: 53108 + 142 = 53250
Step 376: 53250 + 142 = 53392
Step 377: 53392 + 142 = 53534
Step 378: 53534 + 142 = 53676
Step 379: 53676 + 142 = 53818
Step 380: 53818 + 142 = 53960
Step 381: 53960 + 142 = 54102
Step 382: 54102 + 142 = 54244
Step 383: 54244 + 142 = 54386
Step 384: 54386 + 142 = 54528
Step 385: 54528 + 142 = 54670
Step 386: 54670 + 142 = 54812
Step 387: 54812 + 142 = 54954
Step 388: 54954 + 142 = 55096
Step 389: 55096 + 142 = 55238
Step 390: 55238 + 142 = 55380
Step 391: 55380 + 142 = 55522
Step 392: 55522 + 142 = 55664
Step 393: 55664 + 142 = 55806
Step 394: 55806 + 142 = 55948
Step 395: 55948 + 142 = 56090
Step 396: 56090 + 142 = 56232
Step 397: 56232 + 142 = 56374
Step 398: 56374 + 142 = 56516
Step 399: 56516 + 142 = 56658
Step 400: 56658 + 142 = 56800
Step 401: 56800 + 142 = 56942
Step 402: 56942 + 142 = 57084
Step 403: 57084 + 142 = 57226
Step 404: 57226 + 142 = 57368
Step 405: 57368 + 142 = 57510
Step 406: 57510 + 142 = 57652
Step 407: 57652 + 142 = 57794
Step 408: 57794 + 142 = 57936
Step 409: 57936 + 142 = 58078
Step 410: 58078 + 142 = 58220
Step 411: 58220 + 142 = 58362
Step 412: 58362 + 142 = 58504
Step 413: 58504 + 142 = 58646
Step 414: 58646 + 142 = 58788
Step 415: 58788 + 142 = 58930
Step 416: 58930 + 142 = 59072
Step 417: 59072 + 142 = 59214
Step 418: 59214 + 142 = 59356
Step 419: 59356 + 142 = 59498
Step 420: 59498 + 142 = 59640
Step 421: 59640 + 142 = 59782
Step 422: 59782 + 142 = 59924
Step 423: 59924 + 142 = 60066
Step 424: 60066 + 142 = 60208
Step 425: 60208 + 142 = 60350
Step 426: 60350 + 142 = 60492
Step 427: 60492 + 142 = 60634
Step 428: 60634 + 142 = 60776
Step 429: 60776 + 142 = 60918
Step 430: 60918 + 142 = 61060
Step 431: 61060 + 142 = 61202
Step 432: 61202 + 142 = 61344
Step 433: 61344 + 142 = 61486
Step 434: 61486 + 142 = 61628
Step 435: 61628 + 142 = 61770
Step 436: 61770 + 142 = 61912
Step 437: 61912 + 142 = 62054
Step 438: 62054 + 142 = 62196

So, 142*438 = 62196