Sure thing, let's get straight to it. We start with 437 and we're going to multiply it by 87, which means adding 437 to itself 87 times.
Step 1: 0 + 437 = 437
Step 2: 437 + 437 = 874
Step 3: 874 + 437 = 1311
Step 4: 1311 + 437 = 1748
Step 5: 1748 + 437 = 2185
Step 6: 2185 + 437 = 2622
Step 7: 2622 + 437 = 3059
Step 8: 3059 + 437 = 3496
Step 9: 3496 + 437 = 3933
Step 10: 3933 + 437 = 4370
Step 11: 4370 + 437 = 4807
Step 12: 4807 + 437 = 5244
Step 13: 5244 + 437 = 5681
Step 14: 5681 + 437 = 6118
Step 15: 6118 + 437 = 6555
Step 16: 6555 + 437 = 6992
Step 17: 6992 + 437 = 7429
Step 18: 7429 + 437 = 7866
Step 19: 7866 + 437 = 8303
Step 20: 8303 + 437 = 8740
Step 21: 8740 + 437 = 9177
Step 22: 9177 + 437 = 9614
Step 23: 9614 + 437 = 10051
Step 24: 10051 + 437 = 10488
Step 25: 10488 + 437 = 10925
Step 26: 10925 + 437 = 11362
Step 27: 11362 + 437 = 11799
Step 28: 11799 + 437 = 12236
Step 29: 12236 + 437 = 12673
Step 30: 12673 + 437 = 13110
Step 31: 13110 + 437 = 13547
Step 32: 13547 + 437 = 13984
Step 33: 13984 + 437 = 14421
Step 34: 14421 + 437 = 14858
Step 35: 14858 + 437 = 15295
Step 36: 15295 + 437 = 15732
Step 37: 15732 + 437 = 16169
Step 38: 16169 + 437 = 16606
Step 39: 16606 + 437 = 17043
Step 40: 17043 + 437 = 17480
Step 41: 17480 + 437 = 17917
Step 42: 17917 + 437 = 18354
Step 43: 18354 + 437 = 18791
Step 44: 18791 + 437 = 19228
Step 45: 19228 + 437 = 19665
Step 46: 19665 + 437 = 20102
Step 47: 20102 + 437 = 20539
Step 48: 20539 + 437 = 20976
Step 49: 20976 + 437 = 21413
Step 50: 21413 + 437 = 21850
Step 51: 21850 + 437 = 22287
Step 52: 22287 + 437 = 22724
Step 53: 22724 + 437 = 23161
Step 54: 23161 + 437 = 23598
Step 55: 23598 + 437 = 24035
Step 56: 24035 + 437 = 24472
Step 57: 24472 + 437 = 24909
Step 58: 24909 + 437 = 25346
Step 59: 25346 + 437 = 25783
Step 60: 25783 + 437 = 26220
Step 61: 26220 + 437 = 26657
Step 62: 26657 + 437 = 27094
Step 63: 27094 + 437 = 27531
Step 64: 27531 + 437 = 27968
Step 65: 27968 + 437 = 28405
Step 66: 28405 + 437 = 28842
Step 67: 28842 + 437 = 29279
Step 68: 29279 + 437 = 29716
Step 69: 29716 + 437 = 30153
Step 70: 30153 + 437 = 30590
Step 71: 30590 + 437 = 31027
Step 72: 31027 + 437 = 31464
Step 73: 31464 + 437 = 31901
Step 74: 31901 + 437 = 32338
Step 75: 32338 + 437 = 32775
Step 76: 32775 + 437 = 33212
Step 77: 33212 + 437 = 33649
Step 78: 33649 + 437 = 34086
Step 79: 34086 + 437 = 34523
Step 80: 34523 + 437 = 34960
Step 81: 34960 + 437 = 35397
Step 82: 35397 + 437 = 35834
Step 83: 35834 + 437 = 36271
Step 84: 36271 + 437 = 36708
Step 85: 36708 + 437 = 37145
Step 86: 37145 + 437 = 37582
Step 87: 37582 + 437 = 38019

So, 437*87 = 38019