Sure thing, let's get straight to it. We start with 169 and we're going to multiply it by 253, which means adding 169 to itself 253 times.
Step 1: 0 + 169 = 169
Step 2: 169 + 169 = 338
Step 3: 338 + 169 = 507
Step 4: 507 + 169 = 676
Step 5: 676 + 169 = 845
Step 6: 845 + 169 = 1014
Step 7: 1014 + 169 = 1183
Step 8: 1183 + 169 = 1352
Step 9: 1352 + 169 = 1521
Step 10: 1521 + 169 = 1690
Step 11: 1690 + 169 = 1859
Step 12: 1859 + 169 = 2028
Step 13: 2028 + 169 = 2197
Step 14: 2197 + 169 = 2366
Step 15: 2366 + 169 = 2535
Step 16: 2535 + 169 = 2704
Step 17: 2704 + 169 = 2873
Step 18: 2873 + 169 = 3042
Step 19: 3042 + 169 = 3211
Step 20: 3211 + 169 = 3380
Step 21: 3380 + 169 = 3549
Step 22: 3549 + 169 = 3718
Step 23: 3718 + 169 = 3887
Step 24: 3887 + 169 = 4056
Step 25: 4056 + 169 = 4225
Step 26: 4225 + 169 = 4394
Step 27: 4394 + 169 = 4563
Step 28: 4563 + 169 = 4732
Step 29: 4732 + 169 = 4901
Step 30: 4901 + 169 = 5070
Step 31: 5070 + 169 = 5239
Step 32: 5239 + 169 = 5408
Step 33: 5408 + 169 = 5577
Step 34: 5577 + 169 = 5746
Step 35: 5746 + 169 = 5915
Step 36: 5915 + 169 = 6084
Step 37: 6084 + 169 = 6253
Step 38: 6253 + 169 = 6422
Step 39: 6422 + 169 = 6591
Step 40: 6591 + 169 = 6760
Step 41: 6760 + 169 = 6929
Step 42: 6929 + 169 = 7098
Step 43: 7098 + 169 = 7267
Step 44: 7267 + 169 = 7436
Step 45: 7436 + 169 = 7605
Step 46: 7605 + 169 = 7774
Step 47: 7774 + 169 = 7943
Step 48: 7943 + 169 = 8112
Step 49: 8112 + 169 = 8281
Step 50: 8281 + 169 = 8450
Step 51: 8450 + 169 = 8619
Step 52: 8619 + 169 = 8788
Step 53: 8788 + 169 = 8957
Step 54: 8957 + 169 = 9126
Step 55: 9126 + 169 = 9295
Step 56: 9295 + 169 = 9464
Step 57: 9464 + 169 = 9633
Step 58: 9633 + 169 = 9802
Step 59: 9802 + 169 = 9971
Step 60: 9971 + 169 = 10140
Step 61: 10140 + 169 = 10309
Step 62: 10309 + 169 = 10478
Step 63: 10478 + 169 = 10647
Step 64: 10647 + 169 = 10816
Step 65: 10816 + 169 = 10985
Step 66: 10985 + 169 = 11154
Step 67: 11154 + 169 = 11323
Step 68: 11323 + 169 = 11492
Step 69: 11492 + 169 = 11661
Step 70: 11661 + 169 = 11830
Step 71: 11830 + 169 = 11999
Step 72: 11999 + 169 = 12168
Step 73: 12168 + 169 = 12337
Step 74: 12337 + 169 = 12506
Step 75: 12506 + 169 = 12675
Step 76: 12675 + 169 = 12844
Step 77: 12844 + 169 = 13013
Step 78: 13013 + 169 = 13182
Step 79: 13182 + 169 = 13351
Step 80: 13351 + 169 = 13520
Step 81: 13520 + 169 = 13689
Step 82: 13689 + 169 = 13858
Step 83: 13858 + 169 = 14027
Step 84: 14027 + 169 = 14196
Step 85: 14196 + 169 = 14365
Step 86: 14365 + 169 = 14534
Step 87: 14534 + 169 = 14703
Step 88: 14703 + 169 = 14872
Step 89: 14872 + 169 = 15041
Step 90: 15041 + 169 = 15210
Step 91: 15210 + 169 = 15379
Step 92: 15379 + 169 = 15548
Step 93: 15548 + 169 = 15717
Step 94: 15717 + 169 = 15886
Step 95: 15886 + 169 = 16055
Step 96: 16055 + 169 = 16224
Step 97: 16224 + 169 = 16393
Step 98: 16393 + 169 = 16562
Step 99: 16562 + 169 = 16731
Step 100: 16731 + 169 = 16900
Step 101: 16900 + 169 = 17069
Step 102: 17069 + 169 = 17238
Step 103: 17238 + 169 = 17407
Step 104: 17407 + 169 = 17576
Step 105: 17576 + 169 = 17745
Step 106: 17745 + 169 = 17914
Step 107: 17914 + 169 = 18083
Step 108: 18083 + 169 = 18252
Step 109: 18252 + 169 = 18421
Step 110: 18421 + 169 = 18590
Step 111: 18590 + 169 = 18759
Step 112: 18759 + 169 = 18928
Step 113: 18928 + 169 = 19097
Step 114: 19097 + 169 = 19266
Step 115: 19266 + 169 = 19435
Step 116: 19435 + 169 = 19604
Step 117: 19604 + 169 = 19773
Step 118: 19773 + 169 = 19942
Step 119: 19942 + 169 = 20111
Step 120: 20111 + 169 = 20280
Step 121: 20280 + 169 = 20449
Step 122: 20449 + 169 = 20618
Step 123: 20618 + 169 = 20787
Step 124: 20787 + 169 = 20956
Step 125: 20956 + 169 = 21125
Step 126: 21125 + 169 = 21294
Step 127: 21294 + 169 = 21463
Step 128: 21463 + 169 = 21632
Step 129: 21632 + 169 = 21801
Step 130: 21801 + 169 = 21970
Step 131: 21970 + 169 = 22139
Step 132: 22139 + 169 = 22308
Step 133: 22308 + 169 = 22477
Step 134: 22477 + 169 = 22646
Step 135: 22646 + 169 = 22815
Step 136: 22815 + 169 = 22984
Step 137: 22984 + 169 = 23153
Step 138: 23153 + 169 = 23322
Step 139: 23322 + 169 = 23491
Step 140: 23491 + 169 = 23660
Step 141: 23660 + 169 = 23829
Step 142: 23829 + 169 = 23998
Step 143: 23998 + 169 = 24167
Step 144: 24167 + 169 = 24336
Step 145: 24336 + 169 = 24505
Step 146: 24505 + 169 = 24674
Step 147: 24674 + 169 = 24843
Step 148: 24843 + 169 = 25012
Step 149: 25012 + 169 = 25181
Step 150: 25181 + 169 = 25350
Step 151: 25350 + 169 = 25519
Step 152: 25519 + 169 = 25688
Step 153: 25688 + 169 = 25857
Step 154: 25857 + 169 = 26026
Step 155: 26026 + 169 = 26195
Step 156: 26195 + 169 = 26364
Step 157: 26364 + 169 = 26533
Step 158: 26533 + 169 = 26702
Step 159: 26702 + 169 = 26871
Step 160: 26871 + 169 = 27040
Step 161: 27040 + 169 = 27209
Step 162: 27209 + 169 = 27378
Step 163: 27378 + 169 = 27547
Step 164: 27547 + 169 = 27716
Step 165: 27716 + 169 = 27885
Step 166: 27885 + 169 = 28054
Step 167: 28054 + 169 = 28223
Step 168: 28223 + 169 = 28392
Step 169: 28392 + 169 = 28561
Step 170: 28561 + 169 = 28730
Step 171: 28730 + 169 = 28899
Step 172: 28899 + 169 = 29068
Step 173: 29068 + 169 = 29237
Step 174: 29237 + 169 = 29406
Step 175: 29406 + 169 = 29575
Step 176: 29575 + 169 = 29744
Step 177: 29744 + 169 = 29913
Step 178: 29913 + 169 = 30082
Step 179: 30082 + 169 = 30251
Step 180: 30251 + 169 = 30420
Step 181: 30420 + 169 = 30589
Step 182: 30589 + 169 = 30758
Step 183: 30758 + 169 = 30927
Step 184: 30927 + 169 = 31096
Step 185: 31096 + 169 = 31265
Step 186: 31265 + 169 = 31434
Step 187: 31434 + 169 = 31603
Step 188: 31603 + 169 = 31772
Step 189: 31772 + 169 = 31941
Step 190: 31941 + 169 = 32110
Step 191: 32110 + 169 = 32279
Step 192: 32279 + 169 = 32448
Step 193: 32448 + 169 = 32617
Step 194: 32617 + 169 = 32786
Step 195: 32786 + 169 = 32955
Step 196: 32955 + 169 = 33124
Step 197: 33124 + 169 = 33293
Step 198: 33293 + 169 = 33462
Step 199: 33462 + 169 = 33631
Step 200: 33631 + 169 = 33800
Step 201: 33800 + 169 = 33969
Step 202: 33969 + 169 = 34138
Step 203: 34138 + 169 = 34307
Step 204: 34307 + 169 = 34476
Step 205: 34476 + 169 = 34645
Step 206: 34645 + 169 = 34814
Step 207: 34814 + 169 = 34983
Step 208: 34983 + 169 = 35152
Step 209: 35152 + 169 = 35321
Step 210: 35321 + 169 = 35490
Step 211: 35490 + 169 = 35659
Step 212: 35659 + 169 = 35828
Step 213: 35828 + 169 = 35997
Step 214: 35997 + 169 = 36166
Step 215: 36166 + 169 = 36335
Step 216: 36335 + 169 = 36504
Step 217: 36504 + 169 = 36673
Step 218: 36673 + 169 = 36842
Step 219: 36842 + 169 = 37011
Step 220: 37011 + 169 = 37180
Step 221: 37180 + 169 = 37349
Step 222: 37349 + 169 = 37518
Step 223: 37518 + 169 = 37687
Step 224: 37687 + 169 = 37856
Step 225: 37856 + 169 = 38025
Step 226: 38025 + 169 = 38194
Step 227: 38194 + 169 = 38363
Step 228: 38363 + 169 = 38532
Step 229: 38532 + 169 = 38701
Step 230: 38701 + 169 = 38870
Step 231: 38870 + 169 = 39039
Step 232: 39039 + 169 = 39208
Step 233: 39208 + 169 = 39377
Step 234: 39377 + 169 = 39546
Step 235: 39546 + 169 = 39715
Step 236: 39715 + 169 = 39884
Step 237: 39884 + 169 = 40053
Step 238: 40053 + 169 = 40222
Step 239: 40222 + 169 = 40391
Step 240: 40391 + 169 = 40560
Step 241: 40560 + 169 = 40729
Step 242: 40729 + 169 = 40898
Step 243: 40898 + 169 = 41067
Step 244: 41067 + 169 = 41236
Step 245: 41236 + 169 = 41405
Step 246: 41405 + 169 = 41574
Step 247: 41574 + 169 = 41743
Step 248: 41743 + 169 = 41912
Step 249: 41912 + 169 = 42081
Step 250: 42081 + 169 = 42250
Step 251: 42250 + 169 = 42419
Step 252: 42419 + 169 = 42588
Step 253: 42588 + 169 = 42757

So, 169*253 = 42757