OK, let's crack this. We're given 537 and our task is to multiply it by 83. Essentially, we'll be adding 537 to itself 83 times.
Step 1: 0 + 537 = 537
Step 2: 537 + 537 = 1074
Step 3: 1074 + 537 = 1611
Step 4: 1611 + 537 = 2148
Step 5: 2148 + 537 = 2685
Step 6: 2685 + 537 = 3222
Step 7: 3222 + 537 = 3759
Step 8: 3759 + 537 = 4296
Step 9: 4296 + 537 = 4833
Step 10: 4833 + 537 = 5370
Step 11: 5370 + 537 = 5907
Step 12: 5907 + 537 = 6444
Step 13: 6444 + 537 = 6981
Step 14: 6981 + 537 = 7518
Step 15: 7518 + 537 = 8055
Step 16: 8055 + 537 = 8592
Step 17: 8592 + 537 = 9129
Step 18: 9129 + 537 = 9666
Step 19: 9666 + 537 = 10203
Step 20: 10203 + 537 = 10740
Step 21: 10740 + 537 = 11277
Step 22: 11277 + 537 = 11814
Step 23: 11814 + 537 = 12351
Step 24: 12351 + 537 = 12888
Step 25: 12888 + 537 = 13425
Step 26: 13425 + 537 = 13962
Step 27: 13962 + 537 = 14499
Step 28: 14499 + 537 = 15036
Step 29: 15036 + 537 = 15573
Step 30: 15573 + 537 = 16110
Step 31: 16110 + 537 = 16647
Step 32: 16647 + 537 = 17184
Step 33: 17184 + 537 = 17721
Step 34: 17721 + 537 = 18258
Step 35: 18258 + 537 = 18795
Step 36: 18795 + 537 = 19332
Step 37: 19332 + 537 = 19869
Step 38: 19869 + 537 = 20406
Step 39: 20406 + 537 = 20943
Step 40: 20943 + 537 = 21480
Step 41: 21480 + 537 = 22017
Step 42: 22017 + 537 = 22554
Step 43: 22554 + 537 = 23091
Step 44: 23091 + 537 = 23628
Step 45: 23628 + 537 = 24165
Step 46: 24165 + 537 = 24702
Step 47: 24702 + 537 = 25239
Step 48: 25239 + 537 = 25776
Step 49: 25776 + 537 = 26313
Step 50: 26313 + 537 = 26850
Step 51: 26850 + 537 = 27387
Step 52: 27387 + 537 = 27924
Step 53: 27924 + 537 = 28461
Step 54: 28461 + 537 = 28998
Step 55: 28998 + 537 = 29535
Step 56: 29535 + 537 = 30072
Step 57: 30072 + 537 = 30609
Step 58: 30609 + 537 = 31146
Step 59: 31146 + 537 = 31683
Step 60: 31683 + 537 = 32220
Step 61: 32220 + 537 = 32757
Step 62: 32757 + 537 = 33294
Step 63: 33294 + 537 = 33831
Step 64: 33831 + 537 = 34368
Step 65: 34368 + 537 = 34905
Step 66: 34905 + 537 = 35442
Step 67: 35442 + 537 = 35979
Step 68: 35979 + 537 = 36516
Step 69: 36516 + 537 = 37053
Step 70: 37053 + 537 = 37590
Step 71: 37590 + 537 = 38127
Step 72: 38127 + 537 = 38664
Step 73: 38664 + 537 = 39201
Step 74: 39201 + 537 = 39738
Step 75: 39738 + 537 = 40275
Step 76: 40275 + 537 = 40812
Step 77: 40812 + 537 = 41349
Step 78: 41349 + 537 = 41886
Step 79: 41886 + 537 = 42423
Step 80: 42423 + 537 = 42960
Step 81: 42960 + 537 = 43497
Step 82: 43497 + 537 = 44034
Step 83: 44034 + 537 = 44571

So, 537*83 = 44571