Let's get this math done. We have 707 and we're going to multiply it by 108. This is the same as taking 707 and adding it to itself 108 times.
Step 1: 0 + 707 = 707
Step 2: 707 + 707 = 1414
Step 3: 1414 + 707 = 2121
Step 4: 2121 + 707 = 2828
Step 5: 2828 + 707 = 3535
Step 6: 3535 + 707 = 4242
Step 7: 4242 + 707 = 4949
Step 8: 4949 + 707 = 5656
Step 9: 5656 + 707 = 6363
Step 10: 6363 + 707 = 7070
Step 11: 7070 + 707 = 7777
Step 12: 7777 + 707 = 8484
Step 13: 8484 + 707 = 9191
Step 14: 9191 + 707 = 9898
Step 15: 9898 + 707 = 10605
Step 16: 10605 + 707 = 11312
Step 17: 11312 + 707 = 12019
Step 18: 12019 + 707 = 12726
Step 19: 12726 + 707 = 13433
Step 20: 13433 + 707 = 14140
Step 21: 14140 + 707 = 14847
Step 22: 14847 + 707 = 15554
Step 23: 15554 + 707 = 16261
Step 24: 16261 + 707 = 16968
Step 25: 16968 + 707 = 17675
Step 26: 17675 + 707 = 18382
Step 27: 18382 + 707 = 19089
Step 28: 19089 + 707 = 19796
Step 29: 19796 + 707 = 20503
Step 30: 20503 + 707 = 21210
Step 31: 21210 + 707 = 21917
Step 32: 21917 + 707 = 22624
Step 33: 22624 + 707 = 23331
Step 34: 23331 + 707 = 24038
Step 35: 24038 + 707 = 24745
Step 36: 24745 + 707 = 25452
Step 37: 25452 + 707 = 26159
Step 38: 26159 + 707 = 26866
Step 39: 26866 + 707 = 27573
Step 40: 27573 + 707 = 28280
Step 41: 28280 + 707 = 28987
Step 42: 28987 + 707 = 29694
Step 43: 29694 + 707 = 30401
Step 44: 30401 + 707 = 31108
Step 45: 31108 + 707 = 31815
Step 46: 31815 + 707 = 32522
Step 47: 32522 + 707 = 33229
Step 48: 33229 + 707 = 33936
Step 49: 33936 + 707 = 34643
Step 50: 34643 + 707 = 35350
Step 51: 35350 + 707 = 36057
Step 52: 36057 + 707 = 36764
Step 53: 36764 + 707 = 37471
Step 54: 37471 + 707 = 38178
Step 55: 38178 + 707 = 38885
Step 56: 38885 + 707 = 39592
Step 57: 39592 + 707 = 40299
Step 58: 40299 + 707 = 41006
Step 59: 41006 + 707 = 41713
Step 60: 41713 + 707 = 42420
Step 61: 42420 + 707 = 43127
Step 62: 43127 + 707 = 43834
Step 63: 43834 + 707 = 44541
Step 64: 44541 + 707 = 45248
Step 65: 45248 + 707 = 45955
Step 66: 45955 + 707 = 46662
Step 67: 46662 + 707 = 47369
Step 68: 47369 + 707 = 48076
Step 69: 48076 + 707 = 48783
Step 70: 48783 + 707 = 49490
Step 71: 49490 + 707 = 50197
Step 72: 50197 + 707 = 50904
Step 73: 50904 + 707 = 51611
Step 74: 51611 + 707 = 52318
Step 75: 52318 + 707 = 53025
Step 76: 53025 + 707 = 53732
Step 77: 53732 + 707 = 54439
Step 78: 54439 + 707 = 55146
Step 79: 55146 + 707 = 55853
Step 80: 55853 + 707 = 56560
Step 81: 56560 + 707 = 57267
Step 82: 57267 + 707 = 57974
Step 83: 57974 + 707 = 58681
Step 84: 58681 + 707 = 59388
Step 85: 59388 + 707 = 60095
Step 86: 60095 + 707 = 60802
Step 87: 60802 + 707 = 61509
Step 88: 61509 + 707 = 62216
Step 89: 62216 + 707 = 62923
Step 90: 62923 + 707 = 63630
Step 91: 63630 + 707 = 64337
Step 92: 64337 + 707 = 65044
Step 93: 65044 + 707 = 65751
Step 94: 65751 + 707 = 66458
Step 95: 66458 + 707 = 67165
Step 96: 67165 + 707 = 67872
Step 97: 67872 + 707 = 68579
Step 98: 68579 + 707 = 69286
Step 99: 69286 + 707 = 69993
Step 100: 69993 + 707 = 70700
Step 101: 70700 + 707 = 71407
Step 102: 71407 + 707 = 72114
Step 103: 72114 + 707 = 72821
Step 104: 72821 + 707 = 73528
Step 105: 73528 + 707 = 74235
Step 106: 74235 + 707 = 74942
Step 107: 74942 + 707 = 75649
Step 108: 75649 + 707 = 76356

So, 707*108 = 76356