Sure thing, let's get straight to it. We start with 688 and we're going to multiply it by 186, which means adding 688 to itself 186 times.
Step 1: 0 + 688 = 688
Step 2: 688 + 688 = 1376
Step 3: 1376 + 688 = 2064
Step 4: 2064 + 688 = 2752
Step 5: 2752 + 688 = 3440
Step 6: 3440 + 688 = 4128
Step 7: 4128 + 688 = 4816
Step 8: 4816 + 688 = 5504
Step 9: 5504 + 688 = 6192
Step 10: 6192 + 688 = 6880
Step 11: 6880 + 688 = 7568
Step 12: 7568 + 688 = 8256
Step 13: 8256 + 688 = 8944
Step 14: 8944 + 688 = 9632
Step 15: 9632 + 688 = 10320
Step 16: 10320 + 688 = 11008
Step 17: 11008 + 688 = 11696
Step 18: 11696 + 688 = 12384
Step 19: 12384 + 688 = 13072
Step 20: 13072 + 688 = 13760
Step 21: 13760 + 688 = 14448
Step 22: 14448 + 688 = 15136
Step 23: 15136 + 688 = 15824
Step 24: 15824 + 688 = 16512
Step 25: 16512 + 688 = 17200
Step 26: 17200 + 688 = 17888
Step 27: 17888 + 688 = 18576
Step 28: 18576 + 688 = 19264
Step 29: 19264 + 688 = 19952
Step 30: 19952 + 688 = 20640
Step 31: 20640 + 688 = 21328
Step 32: 21328 + 688 = 22016
Step 33: 22016 + 688 = 22704
Step 34: 22704 + 688 = 23392
Step 35: 23392 + 688 = 24080
Step 36: 24080 + 688 = 24768
Step 37: 24768 + 688 = 25456
Step 38: 25456 + 688 = 26144
Step 39: 26144 + 688 = 26832
Step 40: 26832 + 688 = 27520
Step 41: 27520 + 688 = 28208
Step 42: 28208 + 688 = 28896
Step 43: 28896 + 688 = 29584
Step 44: 29584 + 688 = 30272
Step 45: 30272 + 688 = 30960
Step 46: 30960 + 688 = 31648
Step 47: 31648 + 688 = 32336
Step 48: 32336 + 688 = 33024
Step 49: 33024 + 688 = 33712
Step 50: 33712 + 688 = 34400
Step 51: 34400 + 688 = 35088
Step 52: 35088 + 688 = 35776
Step 53: 35776 + 688 = 36464
Step 54: 36464 + 688 = 37152
Step 55: 37152 + 688 = 37840
Step 56: 37840 + 688 = 38528
Step 57: 38528 + 688 = 39216
Step 58: 39216 + 688 = 39904
Step 59: 39904 + 688 = 40592
Step 60: 40592 + 688 = 41280
Step 61: 41280 + 688 = 41968
Step 62: 41968 + 688 = 42656
Step 63: 42656 + 688 = 43344
Step 64: 43344 + 688 = 44032
Step 65: 44032 + 688 = 44720
Step 66: 44720 + 688 = 45408
Step 67: 45408 + 688 = 46096
Step 68: 46096 + 688 = 46784
Step 69: 46784 + 688 = 47472
Step 70: 47472 + 688 = 48160
Step 71: 48160 + 688 = 48848
Step 72: 48848 + 688 = 49536
Step 73: 49536 + 688 = 50224
Step 74: 50224 + 688 = 50912
Step 75: 50912 + 688 = 51600
Step 76: 51600 + 688 = 52288
Step 77: 52288 + 688 = 52976
Step 78: 52976 + 688 = 53664
Step 79: 53664 + 688 = 54352
Step 80: 54352 + 688 = 55040
Step 81: 55040 + 688 = 55728
Step 82: 55728 + 688 = 56416
Step 83: 56416 + 688 = 57104
Step 84: 57104 + 688 = 57792
Step 85: 57792 + 688 = 58480
Step 86: 58480 + 688 = 59168
Step 87: 59168 + 688 = 59856
Step 88: 59856 + 688 = 60544
Step 89: 60544 + 688 = 61232
Step 90: 61232 + 688 = 61920
Step 91: 61920 + 688 = 62608
Step 92: 62608 + 688 = 63296
Step 93: 63296 + 688 = 63984
Step 94: 63984 + 688 = 64672
Step 95: 64672 + 688 = 65360
Step 96: 65360 + 688 = 66048
Step 97: 66048 + 688 = 66736
Step 98: 66736 + 688 = 67424
Step 99: 67424 + 688 = 68112
Step 100: 68112 + 688 = 68800
Step 101: 68800 + 688 = 69488
Step 102: 69488 + 688 = 70176
Step 103: 70176 + 688 = 70864
Step 104: 70864 + 688 = 71552
Step 105: 71552 + 688 = 72240
Step 106: 72240 + 688 = 72928
Step 107: 72928 + 688 = 73616
Step 108: 73616 + 688 = 74304
Step 109: 74304 + 688 = 74992
Step 110: 74992 + 688 = 75680
Step 111: 75680 + 688 = 76368
Step 112: 76368 + 688 = 77056
Step 113: 77056 + 688 = 77744
Step 114: 77744 + 688 = 78432
Step 115: 78432 + 688 = 79120
Step 116: 79120 + 688 = 79808
Step 117: 79808 + 688 = 80496
Step 118: 80496 + 688 = 81184
Step 119: 81184 + 688 = 81872
Step 120: 81872 + 688 = 82560
Step 121: 82560 + 688 = 83248
Step 122: 83248 + 688 = 83936
Step 123: 83936 + 688 = 84624
Step 124: 84624 + 688 = 85312
Step 125: 85312 + 688 = 86000
Step 126: 86000 + 688 = 86688
Step 127: 86688 + 688 = 87376
Step 128: 87376 + 688 = 88064
Step 129: 88064 + 688 = 88752
Step 130: 88752 + 688 = 89440
Step 131: 89440 + 688 = 90128
Step 132: 90128 + 688 = 90816
Step 133: 90816 + 688 = 91504
Step 134: 91504 + 688 = 92192
Step 135: 92192 + 688 = 92880
Step 136: 92880 + 688 = 93568
Step 137: 93568 + 688 = 94256
Step 138: 94256 + 688 = 94944
Step 139: 94944 + 688 = 95632
Step 140: 95632 + 688 = 96320
Step 141: 96320 + 688 = 97008
Step 142: 97008 + 688 = 97696
Step 143: 97696 + 688 = 98384
Step 144: 98384 + 688 = 99072
Step 145: 99072 + 688 = 99760
Step 146: 99760 + 688 = 100448
Step 147: 100448 + 688 = 101136
Step 148: 101136 + 688 = 101824
Step 149: 101824 + 688 = 102512
Step 150: 102512 + 688 = 103200
Step 151: 103200 + 688 = 103888
Step 152: 103888 + 688 = 104576
Step 153: 104576 + 688 = 105264
Step 154: 105264 + 688 = 105952
Step 155: 105952 + 688 = 106640
Step 156: 106640 + 688 = 107328
Step 157: 107328 + 688 = 108016
Step 158: 108016 + 688 = 108704
Step 159: 108704 + 688 = 109392
Step 160: 109392 + 688 = 110080
Step 161: 110080 + 688 = 110768
Step 162: 110768 + 688 = 111456
Step 163: 111456 + 688 = 112144
Step 164: 112144 + 688 = 112832
Step 165: 112832 + 688 = 113520
Step 166: 113520 + 688 = 114208
Step 167: 114208 + 688 = 114896
Step 168: 114896 + 688 = 115584
Step 169: 115584 + 688 = 116272
Step 170: 116272 + 688 = 116960
Step 171: 116960 + 688 = 117648
Step 172: 117648 + 688 = 118336
Step 173: 118336 + 688 = 119024
Step 174: 119024 + 688 = 119712
Step 175: 119712 + 688 = 120400
Step 176: 120400 + 688 = 121088
Step 177: 121088 + 688 = 121776
Step 178: 121776 + 688 = 122464
Step 179: 122464 + 688 = 123152
Step 180: 123152 + 688 = 123840
Step 181: 123840 + 688 = 124528
Step 182: 124528 + 688 = 125216
Step 183: 125216 + 688 = 125904
Step 184: 125904 + 688 = 126592
Step 185: 126592 + 688 = 127280
Step 186: 127280 + 688 = 127968

So, 688*186 = 127968