Alright, let's solve this math problem step by step. First, we have the number 787. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 177. So, we're going to take the number 787 and add it to itself 177 times.
Step 1: 0 + 787 = 787
Step 2: 787 + 787 = 1574
Step 3: 1574 + 787 = 2361
Step 4: 2361 + 787 = 3148
Step 5: 3148 + 787 = 3935
Step 6: 3935 + 787 = 4722
Step 7: 4722 + 787 = 5509
Step 8: 5509 + 787 = 6296
Step 9: 6296 + 787 = 7083
Step 10: 7083 + 787 = 7870
Step 11: 7870 + 787 = 8657
Step 12: 8657 + 787 = 9444
Step 13: 9444 + 787 = 10231
Step 14: 10231 + 787 = 11018
Step 15: 11018 + 787 = 11805
Step 16: 11805 + 787 = 12592
Step 17: 12592 + 787 = 13379
Step 18: 13379 + 787 = 14166
Step 19: 14166 + 787 = 14953
Step 20: 14953 + 787 = 15740
Step 21: 15740 + 787 = 16527
Step 22: 16527 + 787 = 17314
Step 23: 17314 + 787 = 18101
Step 24: 18101 + 787 = 18888
Step 25: 18888 + 787 = 19675
Step 26: 19675 + 787 = 20462
Step 27: 20462 + 787 = 21249
Step 28: 21249 + 787 = 22036
Step 29: 22036 + 787 = 22823
Step 30: 22823 + 787 = 23610
Step 31: 23610 + 787 = 24397
Step 32: 24397 + 787 = 25184
Step 33: 25184 + 787 = 25971
Step 34: 25971 + 787 = 26758
Step 35: 26758 + 787 = 27545
Step 36: 27545 + 787 = 28332
Step 37: 28332 + 787 = 29119
Step 38: 29119 + 787 = 29906
Step 39: 29906 + 787 = 30693
Step 40: 30693 + 787 = 31480
Step 41: 31480 + 787 = 32267
Step 42: 32267 + 787 = 33054
Step 43: 33054 + 787 = 33841
Step 44: 33841 + 787 = 34628
Step 45: 34628 + 787 = 35415
Step 46: 35415 + 787 = 36202
Step 47: 36202 + 787 = 36989
Step 48: 36989 + 787 = 37776
Step 49: 37776 + 787 = 38563
Step 50: 38563 + 787 = 39350
Step 51: 39350 + 787 = 40137
Step 52: 40137 + 787 = 40924
Step 53: 40924 + 787 = 41711
Step 54: 41711 + 787 = 42498
Step 55: 42498 + 787 = 43285
Step 56: 43285 + 787 = 44072
Step 57: 44072 + 787 = 44859
Step 58: 44859 + 787 = 45646
Step 59: 45646 + 787 = 46433
Step 60: 46433 + 787 = 47220
Step 61: 47220 + 787 = 48007
Step 62: 48007 + 787 = 48794
Step 63: 48794 + 787 = 49581
Step 64: 49581 + 787 = 50368
Step 65: 50368 + 787 = 51155
Step 66: 51155 + 787 = 51942
Step 67: 51942 + 787 = 52729
Step 68: 52729 + 787 = 53516
Step 69: 53516 + 787 = 54303
Step 70: 54303 + 787 = 55090
Step 71: 55090 + 787 = 55877
Step 72: 55877 + 787 = 56664
Step 73: 56664 + 787 = 57451
Step 74: 57451 + 787 = 58238
Step 75: 58238 + 787 = 59025
Step 76: 59025 + 787 = 59812
Step 77: 59812 + 787 = 60599
Step 78: 60599 + 787 = 61386
Step 79: 61386 + 787 = 62173
Step 80: 62173 + 787 = 62960
Step 81: 62960 + 787 = 63747
Step 82: 63747 + 787 = 64534
Step 83: 64534 + 787 = 65321
Step 84: 65321 + 787 = 66108
Step 85: 66108 + 787 = 66895
Step 86: 66895 + 787 = 67682
Step 87: 67682 + 787 = 68469
Step 88: 68469 + 787 = 69256
Step 89: 69256 + 787 = 70043
Step 90: 70043 + 787 = 70830
Step 91: 70830 + 787 = 71617
Step 92: 71617 + 787 = 72404
Step 93: 72404 + 787 = 73191
Step 94: 73191 + 787 = 73978
Step 95: 73978 + 787 = 74765
Step 96: 74765 + 787 = 75552
Step 97: 75552 + 787 = 76339
Step 98: 76339 + 787 = 77126
Step 99: 77126 + 787 = 77913
Step 100: 77913 + 787 = 78700
Step 101: 78700 + 787 = 79487
Step 102: 79487 + 787 = 80274
Step 103: 80274 + 787 = 81061
Step 104: 81061 + 787 = 81848
Step 105: 81848 + 787 = 82635
Step 106: 82635 + 787 = 83422
Step 107: 83422 + 787 = 84209
Step 108: 84209 + 787 = 84996
Step 109: 84996 + 787 = 85783
Step 110: 85783 + 787 = 86570
Step 111: 86570 + 787 = 87357
Step 112: 87357 + 787 = 88144
Step 113: 88144 + 787 = 88931
Step 114: 88931 + 787 = 89718
Step 115: 89718 + 787 = 90505
Step 116: 90505 + 787 = 91292
Step 117: 91292 + 787 = 92079
Step 118: 92079 + 787 = 92866
Step 119: 92866 + 787 = 93653
Step 120: 93653 + 787 = 94440
Step 121: 94440 + 787 = 95227
Step 122: 95227 + 787 = 96014
Step 123: 96014 + 787 = 96801
Step 124: 96801 + 787 = 97588
Step 125: 97588 + 787 = 98375
Step 126: 98375 + 787 = 99162
Step 127: 99162 + 787 = 99949
Step 128: 99949 + 787 = 100736
Step 129: 100736 + 787 = 101523
Step 130: 101523 + 787 = 102310
Step 131: 102310 + 787 = 103097
Step 132: 103097 + 787 = 103884
Step 133: 103884 + 787 = 104671
Step 134: 104671 + 787 = 105458
Step 135: 105458 + 787 = 106245
Step 136: 106245 + 787 = 107032
Step 137: 107032 + 787 = 107819
Step 138: 107819 + 787 = 108606
Step 139: 108606 + 787 = 109393
Step 140: 109393 + 787 = 110180
Step 141: 110180 + 787 = 110967
Step 142: 110967 + 787 = 111754
Step 143: 111754 + 787 = 112541
Step 144: 112541 + 787 = 113328
Step 145: 113328 + 787 = 114115
Step 146: 114115 + 787 = 114902
Step 147: 114902 + 787 = 115689
Step 148: 115689 + 787 = 116476
Step 149: 116476 + 787 = 117263
Step 150: 117263 + 787 = 118050
Step 151: 118050 + 787 = 118837
Step 152: 118837 + 787 = 119624
Step 153: 119624 + 787 = 120411
Step 154: 120411 + 787 = 121198
Step 155: 121198 + 787 = 121985
Step 156: 121985 + 787 = 122772
Step 157: 122772 + 787 = 123559
Step 158: 123559 + 787 = 124346
Step 159: 124346 + 787 = 125133
Step 160: 125133 + 787 = 125920
Step 161: 125920 + 787 = 126707
Step 162: 126707 + 787 = 127494
Step 163: 127494 + 787 = 128281
Step 164: 128281 + 787 = 129068
Step 165: 129068 + 787 = 129855
Step 166: 129855 + 787 = 130642
Step 167: 130642 + 787 = 131429
Step 168: 131429 + 787 = 132216
Step 169: 132216 + 787 = 133003
Step 170: 133003 + 787 = 133790
Step 171: 133790 + 787 = 134577
Step 172: 134577 + 787 = 135364
Step 173: 135364 + 787 = 136151
Step 174: 136151 + 787 = 136938
Step 175: 136938 + 787 = 137725
Step 176: 137725 + 787 = 138512
Step 177: 138512 + 787 = 139299

So, 787*177 = 139299