Let's roll up our sleeves and solve this. We have 691 and we're going to multiply it by 178, essentially adding 691 to itself 178 times.
Step 1: 0 + 691 = 691
Step 2: 691 + 691 = 1382
Step 3: 1382 + 691 = 2073
Step 4: 2073 + 691 = 2764
Step 5: 2764 + 691 = 3455
Step 6: 3455 + 691 = 4146
Step 7: 4146 + 691 = 4837
Step 8: 4837 + 691 = 5528
Step 9: 5528 + 691 = 6219
Step 10: 6219 + 691 = 6910
Step 11: 6910 + 691 = 7601
Step 12: 7601 + 691 = 8292
Step 13: 8292 + 691 = 8983
Step 14: 8983 + 691 = 9674
Step 15: 9674 + 691 = 10365
Step 16: 10365 + 691 = 11056
Step 17: 11056 + 691 = 11747
Step 18: 11747 + 691 = 12438
Step 19: 12438 + 691 = 13129
Step 20: 13129 + 691 = 13820
Step 21: 13820 + 691 = 14511
Step 22: 14511 + 691 = 15202
Step 23: 15202 + 691 = 15893
Step 24: 15893 + 691 = 16584
Step 25: 16584 + 691 = 17275
Step 26: 17275 + 691 = 17966
Step 27: 17966 + 691 = 18657
Step 28: 18657 + 691 = 19348
Step 29: 19348 + 691 = 20039
Step 30: 20039 + 691 = 20730
Step 31: 20730 + 691 = 21421
Step 32: 21421 + 691 = 22112
Step 33: 22112 + 691 = 22803
Step 34: 22803 + 691 = 23494
Step 35: 23494 + 691 = 24185
Step 36: 24185 + 691 = 24876
Step 37: 24876 + 691 = 25567
Step 38: 25567 + 691 = 26258
Step 39: 26258 + 691 = 26949
Step 40: 26949 + 691 = 27640
Step 41: 27640 + 691 = 28331
Step 42: 28331 + 691 = 29022
Step 43: 29022 + 691 = 29713
Step 44: 29713 + 691 = 30404
Step 45: 30404 + 691 = 31095
Step 46: 31095 + 691 = 31786
Step 47: 31786 + 691 = 32477
Step 48: 32477 + 691 = 33168
Step 49: 33168 + 691 = 33859
Step 50: 33859 + 691 = 34550
Step 51: 34550 + 691 = 35241
Step 52: 35241 + 691 = 35932
Step 53: 35932 + 691 = 36623
Step 54: 36623 + 691 = 37314
Step 55: 37314 + 691 = 38005
Step 56: 38005 + 691 = 38696
Step 57: 38696 + 691 = 39387
Step 58: 39387 + 691 = 40078
Step 59: 40078 + 691 = 40769
Step 60: 40769 + 691 = 41460
Step 61: 41460 + 691 = 42151
Step 62: 42151 + 691 = 42842
Step 63: 42842 + 691 = 43533
Step 64: 43533 + 691 = 44224
Step 65: 44224 + 691 = 44915
Step 66: 44915 + 691 = 45606
Step 67: 45606 + 691 = 46297
Step 68: 46297 + 691 = 46988
Step 69: 46988 + 691 = 47679
Step 70: 47679 + 691 = 48370
Step 71: 48370 + 691 = 49061
Step 72: 49061 + 691 = 49752
Step 73: 49752 + 691 = 50443
Step 74: 50443 + 691 = 51134
Step 75: 51134 + 691 = 51825
Step 76: 51825 + 691 = 52516
Step 77: 52516 + 691 = 53207
Step 78: 53207 + 691 = 53898
Step 79: 53898 + 691 = 54589
Step 80: 54589 + 691 = 55280
Step 81: 55280 + 691 = 55971
Step 82: 55971 + 691 = 56662
Step 83: 56662 + 691 = 57353
Step 84: 57353 + 691 = 58044
Step 85: 58044 + 691 = 58735
Step 86: 58735 + 691 = 59426
Step 87: 59426 + 691 = 60117
Step 88: 60117 + 691 = 60808
Step 89: 60808 + 691 = 61499
Step 90: 61499 + 691 = 62190
Step 91: 62190 + 691 = 62881
Step 92: 62881 + 691 = 63572
Step 93: 63572 + 691 = 64263
Step 94: 64263 + 691 = 64954
Step 95: 64954 + 691 = 65645
Step 96: 65645 + 691 = 66336
Step 97: 66336 + 691 = 67027
Step 98: 67027 + 691 = 67718
Step 99: 67718 + 691 = 68409
Step 100: 68409 + 691 = 69100
Step 101: 69100 + 691 = 69791
Step 102: 69791 + 691 = 70482
Step 103: 70482 + 691 = 71173
Step 104: 71173 + 691 = 71864
Step 105: 71864 + 691 = 72555
Step 106: 72555 + 691 = 73246
Step 107: 73246 + 691 = 73937
Step 108: 73937 + 691 = 74628
Step 109: 74628 + 691 = 75319
Step 110: 75319 + 691 = 76010
Step 111: 76010 + 691 = 76701
Step 112: 76701 + 691 = 77392
Step 113: 77392 + 691 = 78083
Step 114: 78083 + 691 = 78774
Step 115: 78774 + 691 = 79465
Step 116: 79465 + 691 = 80156
Step 117: 80156 + 691 = 80847
Step 118: 80847 + 691 = 81538
Step 119: 81538 + 691 = 82229
Step 120: 82229 + 691 = 82920
Step 121: 82920 + 691 = 83611
Step 122: 83611 + 691 = 84302
Step 123: 84302 + 691 = 84993
Step 124: 84993 + 691 = 85684
Step 125: 85684 + 691 = 86375
Step 126: 86375 + 691 = 87066
Step 127: 87066 + 691 = 87757
Step 128: 87757 + 691 = 88448
Step 129: 88448 + 691 = 89139
Step 130: 89139 + 691 = 89830
Step 131: 89830 + 691 = 90521
Step 132: 90521 + 691 = 91212
Step 133: 91212 + 691 = 91903
Step 134: 91903 + 691 = 92594
Step 135: 92594 + 691 = 93285
Step 136: 93285 + 691 = 93976
Step 137: 93976 + 691 = 94667
Step 138: 94667 + 691 = 95358
Step 139: 95358 + 691 = 96049
Step 140: 96049 + 691 = 96740
Step 141: 96740 + 691 = 97431
Step 142: 97431 + 691 = 98122
Step 143: 98122 + 691 = 98813
Step 144: 98813 + 691 = 99504
Step 145: 99504 + 691 = 100195
Step 146: 100195 + 691 = 100886
Step 147: 100886 + 691 = 101577
Step 148: 101577 + 691 = 102268
Step 149: 102268 + 691 = 102959
Step 150: 102959 + 691 = 103650
Step 151: 103650 + 691 = 104341
Step 152: 104341 + 691 = 105032
Step 153: 105032 + 691 = 105723
Step 154: 105723 + 691 = 106414
Step 155: 106414 + 691 = 107105
Step 156: 107105 + 691 = 107796
Step 157: 107796 + 691 = 108487
Step 158: 108487 + 691 = 109178
Step 159: 109178 + 691 = 109869
Step 160: 109869 + 691 = 110560
Step 161: 110560 + 691 = 111251
Step 162: 111251 + 691 = 111942
Step 163: 111942 + 691 = 112633
Step 164: 112633 + 691 = 113324
Step 165: 113324 + 691 = 114015
Step 166: 114015 + 691 = 114706
Step 167: 114706 + 691 = 115397
Step 168: 115397 + 691 = 116088
Step 169: 116088 + 691 = 116779
Step 170: 116779 + 691 = 117470
Step 171: 117470 + 691 = 118161
Step 172: 118161 + 691 = 118852
Step 173: 118852 + 691 = 119543
Step 174: 119543 + 691 = 120234
Step 175: 120234 + 691 = 120925
Step 176: 120925 + 691 = 121616
Step 177: 121616 + 691 = 122307
Step 178: 122307 + 691 = 122998

So, 691*178 = 122998