Let's get this math done. We have 57 and we're going to multiply it by 87. This is the same as taking 57 and adding it to itself 87 times.
Step 1: 0 + 57 = 57
Step 2: 57 + 57 = 114
Step 3: 114 + 57 = 171
Step 4: 171 + 57 = 228
Step 5: 228 + 57 = 285
Step 6: 285 + 57 = 342
Step 7: 342 + 57 = 399
Step 8: 399 + 57 = 456
Step 9: 456 + 57 = 513
Step 10: 513 + 57 = 570
Step 11: 570 + 57 = 627
Step 12: 627 + 57 = 684
Step 13: 684 + 57 = 741
Step 14: 741 + 57 = 798
Step 15: 798 + 57 = 855
Step 16: 855 + 57 = 912
Step 17: 912 + 57 = 969
Step 18: 969 + 57 = 1026
Step 19: 1026 + 57 = 1083
Step 20: 1083 + 57 = 1140
Step 21: 1140 + 57 = 1197
Step 22: 1197 + 57 = 1254
Step 23: 1254 + 57 = 1311
Step 24: 1311 + 57 = 1368
Step 25: 1368 + 57 = 1425
Step 26: 1425 + 57 = 1482
Step 27: 1482 + 57 = 1539
Step 28: 1539 + 57 = 1596
Step 29: 1596 + 57 = 1653
Step 30: 1653 + 57 = 1710
Step 31: 1710 + 57 = 1767
Step 32: 1767 + 57 = 1824
Step 33: 1824 + 57 = 1881
Step 34: 1881 + 57 = 1938
Step 35: 1938 + 57 = 1995
Step 36: 1995 + 57 = 2052
Step 37: 2052 + 57 = 2109
Step 38: 2109 + 57 = 2166
Step 39: 2166 + 57 = 2223
Step 40: 2223 + 57 = 2280
Step 41: 2280 + 57 = 2337
Step 42: 2337 + 57 = 2394
Step 43: 2394 + 57 = 2451
Step 44: 2451 + 57 = 2508
Step 45: 2508 + 57 = 2565
Step 46: 2565 + 57 = 2622
Step 47: 2622 + 57 = 2679
Step 48: 2679 + 57 = 2736
Step 49: 2736 + 57 = 2793
Step 50: 2793 + 57 = 2850
Step 51: 2850 + 57 = 2907
Step 52: 2907 + 57 = 2964
Step 53: 2964 + 57 = 3021
Step 54: 3021 + 57 = 3078
Step 55: 3078 + 57 = 3135
Step 56: 3135 + 57 = 3192
Step 57: 3192 + 57 = 3249
Step 58: 3249 + 57 = 3306
Step 59: 3306 + 57 = 3363
Step 60: 3363 + 57 = 3420
Step 61: 3420 + 57 = 3477
Step 62: 3477 + 57 = 3534
Step 63: 3534 + 57 = 3591
Step 64: 3591 + 57 = 3648
Step 65: 3648 + 57 = 3705
Step 66: 3705 + 57 = 3762
Step 67: 3762 + 57 = 3819
Step 68: 3819 + 57 = 3876
Step 69: 3876 + 57 = 3933
Step 70: 3933 + 57 = 3990
Step 71: 3990 + 57 = 4047
Step 72: 4047 + 57 = 4104
Step 73: 4104 + 57 = 4161
Step 74: 4161 + 57 = 4218
Step 75: 4218 + 57 = 4275
Step 76: 4275 + 57 = 4332
Step 77: 4332 + 57 = 4389
Step 78: 4389 + 57 = 4446
Step 79: 4446 + 57 = 4503
Step 80: 4503 + 57 = 4560
Step 81: 4560 + 57 = 4617
Step 82: 4617 + 57 = 4674
Step 83: 4674 + 57 = 4731
Step 84: 4731 + 57 = 4788
Step 85: 4788 + 57 = 4845
Step 86: 4845 + 57 = 4902
Step 87: 4902 + 57 = 4959

So, 57*87 = 4959