Let's get this math done. We have 487 and we're going to multiply it by 177. This is the same as taking 487 and adding it to itself 177 times.
Step 1: 0 + 487 = 487
Step 2: 487 + 487 = 974
Step 3: 974 + 487 = 1461
Step 4: 1461 + 487 = 1948
Step 5: 1948 + 487 = 2435
Step 6: 2435 + 487 = 2922
Step 7: 2922 + 487 = 3409
Step 8: 3409 + 487 = 3896
Step 9: 3896 + 487 = 4383
Step 10: 4383 + 487 = 4870
Step 11: 4870 + 487 = 5357
Step 12: 5357 + 487 = 5844
Step 13: 5844 + 487 = 6331
Step 14: 6331 + 487 = 6818
Step 15: 6818 + 487 = 7305
Step 16: 7305 + 487 = 7792
Step 17: 7792 + 487 = 8279
Step 18: 8279 + 487 = 8766
Step 19: 8766 + 487 = 9253
Step 20: 9253 + 487 = 9740
Step 21: 9740 + 487 = 10227
Step 22: 10227 + 487 = 10714
Step 23: 10714 + 487 = 11201
Step 24: 11201 + 487 = 11688
Step 25: 11688 + 487 = 12175
Step 26: 12175 + 487 = 12662
Step 27: 12662 + 487 = 13149
Step 28: 13149 + 487 = 13636
Step 29: 13636 + 487 = 14123
Step 30: 14123 + 487 = 14610
Step 31: 14610 + 487 = 15097
Step 32: 15097 + 487 = 15584
Step 33: 15584 + 487 = 16071
Step 34: 16071 + 487 = 16558
Step 35: 16558 + 487 = 17045
Step 36: 17045 + 487 = 17532
Step 37: 17532 + 487 = 18019
Step 38: 18019 + 487 = 18506
Step 39: 18506 + 487 = 18993
Step 40: 18993 + 487 = 19480
Step 41: 19480 + 487 = 19967
Step 42: 19967 + 487 = 20454
Step 43: 20454 + 487 = 20941
Step 44: 20941 + 487 = 21428
Step 45: 21428 + 487 = 21915
Step 46: 21915 + 487 = 22402
Step 47: 22402 + 487 = 22889
Step 48: 22889 + 487 = 23376
Step 49: 23376 + 487 = 23863
Step 50: 23863 + 487 = 24350
Step 51: 24350 + 487 = 24837
Step 52: 24837 + 487 = 25324
Step 53: 25324 + 487 = 25811
Step 54: 25811 + 487 = 26298
Step 55: 26298 + 487 = 26785
Step 56: 26785 + 487 = 27272
Step 57: 27272 + 487 = 27759
Step 58: 27759 + 487 = 28246
Step 59: 28246 + 487 = 28733
Step 60: 28733 + 487 = 29220
Step 61: 29220 + 487 = 29707
Step 62: 29707 + 487 = 30194
Step 63: 30194 + 487 = 30681
Step 64: 30681 + 487 = 31168
Step 65: 31168 + 487 = 31655
Step 66: 31655 + 487 = 32142
Step 67: 32142 + 487 = 32629
Step 68: 32629 + 487 = 33116
Step 69: 33116 + 487 = 33603
Step 70: 33603 + 487 = 34090
Step 71: 34090 + 487 = 34577
Step 72: 34577 + 487 = 35064
Step 73: 35064 + 487 = 35551
Step 74: 35551 + 487 = 36038
Step 75: 36038 + 487 = 36525
Step 76: 36525 + 487 = 37012
Step 77: 37012 + 487 = 37499
Step 78: 37499 + 487 = 37986
Step 79: 37986 + 487 = 38473
Step 80: 38473 + 487 = 38960
Step 81: 38960 + 487 = 39447
Step 82: 39447 + 487 = 39934
Step 83: 39934 + 487 = 40421
Step 84: 40421 + 487 = 40908
Step 85: 40908 + 487 = 41395
Step 86: 41395 + 487 = 41882
Step 87: 41882 + 487 = 42369
Step 88: 42369 + 487 = 42856
Step 89: 42856 + 487 = 43343
Step 90: 43343 + 487 = 43830
Step 91: 43830 + 487 = 44317
Step 92: 44317 + 487 = 44804
Step 93: 44804 + 487 = 45291
Step 94: 45291 + 487 = 45778
Step 95: 45778 + 487 = 46265
Step 96: 46265 + 487 = 46752
Step 97: 46752 + 487 = 47239
Step 98: 47239 + 487 = 47726
Step 99: 47726 + 487 = 48213
Step 100: 48213 + 487 = 48700
Step 101: 48700 + 487 = 49187
Step 102: 49187 + 487 = 49674
Step 103: 49674 + 487 = 50161
Step 104: 50161 + 487 = 50648
Step 105: 50648 + 487 = 51135
Step 106: 51135 + 487 = 51622
Step 107: 51622 + 487 = 52109
Step 108: 52109 + 487 = 52596
Step 109: 52596 + 487 = 53083
Step 110: 53083 + 487 = 53570
Step 111: 53570 + 487 = 54057
Step 112: 54057 + 487 = 54544
Step 113: 54544 + 487 = 55031
Step 114: 55031 + 487 = 55518
Step 115: 55518 + 487 = 56005
Step 116: 56005 + 487 = 56492
Step 117: 56492 + 487 = 56979
Step 118: 56979 + 487 = 57466
Step 119: 57466 + 487 = 57953
Step 120: 57953 + 487 = 58440
Step 121: 58440 + 487 = 58927
Step 122: 58927 + 487 = 59414
Step 123: 59414 + 487 = 59901
Step 124: 59901 + 487 = 60388
Step 125: 60388 + 487 = 60875
Step 126: 60875 + 487 = 61362
Step 127: 61362 + 487 = 61849
Step 128: 61849 + 487 = 62336
Step 129: 62336 + 487 = 62823
Step 130: 62823 + 487 = 63310
Step 131: 63310 + 487 = 63797
Step 132: 63797 + 487 = 64284
Step 133: 64284 + 487 = 64771
Step 134: 64771 + 487 = 65258
Step 135: 65258 + 487 = 65745
Step 136: 65745 + 487 = 66232
Step 137: 66232 + 487 = 66719
Step 138: 66719 + 487 = 67206
Step 139: 67206 + 487 = 67693
Step 140: 67693 + 487 = 68180
Step 141: 68180 + 487 = 68667
Step 142: 68667 + 487 = 69154
Step 143: 69154 + 487 = 69641
Step 144: 69641 + 487 = 70128
Step 145: 70128 + 487 = 70615
Step 146: 70615 + 487 = 71102
Step 147: 71102 + 487 = 71589
Step 148: 71589 + 487 = 72076
Step 149: 72076 + 487 = 72563
Step 150: 72563 + 487 = 73050
Step 151: 73050 + 487 = 73537
Step 152: 73537 + 487 = 74024
Step 153: 74024 + 487 = 74511
Step 154: 74511 + 487 = 74998
Step 155: 74998 + 487 = 75485
Step 156: 75485 + 487 = 75972
Step 157: 75972 + 487 = 76459
Step 158: 76459 + 487 = 76946
Step 159: 76946 + 487 = 77433
Step 160: 77433 + 487 = 77920
Step 161: 77920 + 487 = 78407
Step 162: 78407 + 487 = 78894
Step 163: 78894 + 487 = 79381
Step 164: 79381 + 487 = 79868
Step 165: 79868 + 487 = 80355
Step 166: 80355 + 487 = 80842
Step 167: 80842 + 487 = 81329
Step 168: 81329 + 487 = 81816
Step 169: 81816 + 487 = 82303
Step 170: 82303 + 487 = 82790
Step 171: 82790 + 487 = 83277
Step 172: 83277 + 487 = 83764
Step 173: 83764 + 487 = 84251
Step 174: 84251 + 487 = 84738
Step 175: 84738 + 487 = 85225
Step 176: 85225 + 487 = 85712
Step 177: 85712 + 487 = 86199

So, 487*177 = 86199