Alright, let's solve this math problem step by step. First, we have the number 691. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 136. So, we're going to take the number 691 and add it to itself 136 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

So, 691*136 = 93976