Sure thing, let's get straight to it. We start with 771 and we're going to multiply it by 164, which means adding 771 to itself 164 times.
Step 1: 0 + 771 = 771
Step 2: 771 + 771 = 1542
Step 3: 1542 + 771 = 2313
Step 4: 2313 + 771 = 3084
Step 5: 3084 + 771 = 3855
Step 6: 3855 + 771 = 4626
Step 7: 4626 + 771 = 5397
Step 8: 5397 + 771 = 6168
Step 9: 6168 + 771 = 6939
Step 10: 6939 + 771 = 7710
Step 11: 7710 + 771 = 8481
Step 12: 8481 + 771 = 9252
Step 13: 9252 + 771 = 10023
Step 14: 10023 + 771 = 10794
Step 15: 10794 + 771 = 11565
Step 16: 11565 + 771 = 12336
Step 17: 12336 + 771 = 13107
Step 18: 13107 + 771 = 13878
Step 19: 13878 + 771 = 14649
Step 20: 14649 + 771 = 15420
Step 21: 15420 + 771 = 16191
Step 22: 16191 + 771 = 16962
Step 23: 16962 + 771 = 17733
Step 24: 17733 + 771 = 18504
Step 25: 18504 + 771 = 19275
Step 26: 19275 + 771 = 20046
Step 27: 20046 + 771 = 20817
Step 28: 20817 + 771 = 21588
Step 29: 21588 + 771 = 22359
Step 30: 22359 + 771 = 23130
Step 31: 23130 + 771 = 23901
Step 32: 23901 + 771 = 24672
Step 33: 24672 + 771 = 25443
Step 34: 25443 + 771 = 26214
Step 35: 26214 + 771 = 26985
Step 36: 26985 + 771 = 27756
Step 37: 27756 + 771 = 28527
Step 38: 28527 + 771 = 29298
Step 39: 29298 + 771 = 30069
Step 40: 30069 + 771 = 30840
Step 41: 30840 + 771 = 31611
Step 42: 31611 + 771 = 32382
Step 43: 32382 + 771 = 33153
Step 44: 33153 + 771 = 33924
Step 45: 33924 + 771 = 34695
Step 46: 34695 + 771 = 35466
Step 47: 35466 + 771 = 36237
Step 48: 36237 + 771 = 37008
Step 49: 37008 + 771 = 37779
Step 50: 37779 + 771 = 38550
Step 51: 38550 + 771 = 39321
Step 52: 39321 + 771 = 40092
Step 53: 40092 + 771 = 40863
Step 54: 40863 + 771 = 41634
Step 55: 41634 + 771 = 42405
Step 56: 42405 + 771 = 43176
Step 57: 43176 + 771 = 43947
Step 58: 43947 + 771 = 44718
Step 59: 44718 + 771 = 45489
Step 60: 45489 + 771 = 46260
Step 61: 46260 + 771 = 47031
Step 62: 47031 + 771 = 47802
Step 63: 47802 + 771 = 48573
Step 64: 48573 + 771 = 49344
Step 65: 49344 + 771 = 50115
Step 66: 50115 + 771 = 50886
Step 67: 50886 + 771 = 51657
Step 68: 51657 + 771 = 52428
Step 69: 52428 + 771 = 53199
Step 70: 53199 + 771 = 53970
Step 71: 53970 + 771 = 54741
Step 72: 54741 + 771 = 55512
Step 73: 55512 + 771 = 56283
Step 74: 56283 + 771 = 57054
Step 75: 57054 + 771 = 57825
Step 76: 57825 + 771 = 58596
Step 77: 58596 + 771 = 59367
Step 78: 59367 + 771 = 60138
Step 79: 60138 + 771 = 60909
Step 80: 60909 + 771 = 61680
Step 81: 61680 + 771 = 62451
Step 82: 62451 + 771 = 63222
Step 83: 63222 + 771 = 63993
Step 84: 63993 + 771 = 64764
Step 85: 64764 + 771 = 65535
Step 86: 65535 + 771 = 66306
Step 87: 66306 + 771 = 67077
Step 88: 67077 + 771 = 67848
Step 89: 67848 + 771 = 68619
Step 90: 68619 + 771 = 69390
Step 91: 69390 + 771 = 70161
Step 92: 70161 + 771 = 70932
Step 93: 70932 + 771 = 71703
Step 94: 71703 + 771 = 72474
Step 95: 72474 + 771 = 73245
Step 96: 73245 + 771 = 74016
Step 97: 74016 + 771 = 74787
Step 98: 74787 + 771 = 75558
Step 99: 75558 + 771 = 76329
Step 100: 76329 + 771 = 77100
Step 101: 77100 + 771 = 77871
Step 102: 77871 + 771 = 78642
Step 103: 78642 + 771 = 79413
Step 104: 79413 + 771 = 80184
Step 105: 80184 + 771 = 80955
Step 106: 80955 + 771 = 81726
Step 107: 81726 + 771 = 82497
Step 108: 82497 + 771 = 83268
Step 109: 83268 + 771 = 84039
Step 110: 84039 + 771 = 84810
Step 111: 84810 + 771 = 85581
Step 112: 85581 + 771 = 86352
Step 113: 86352 + 771 = 87123
Step 114: 87123 + 771 = 87894
Step 115: 87894 + 771 = 88665
Step 116: 88665 + 771 = 89436
Step 117: 89436 + 771 = 90207
Step 118: 90207 + 771 = 90978
Step 119: 90978 + 771 = 91749
Step 120: 91749 + 771 = 92520
Step 121: 92520 + 771 = 93291
Step 122: 93291 + 771 = 94062
Step 123: 94062 + 771 = 94833
Step 124: 94833 + 771 = 95604
Step 125: 95604 + 771 = 96375
Step 126: 96375 + 771 = 97146
Step 127: 97146 + 771 = 97917
Step 128: 97917 + 771 = 98688
Step 129: 98688 + 771 = 99459
Step 130: 99459 + 771 = 100230
Step 131: 100230 + 771 = 101001
Step 132: 101001 + 771 = 101772
Step 133: 101772 + 771 = 102543
Step 134: 102543 + 771 = 103314
Step 135: 103314 + 771 = 104085
Step 136: 104085 + 771 = 104856
Step 137: 104856 + 771 = 105627
Step 138: 105627 + 771 = 106398
Step 139: 106398 + 771 = 107169
Step 140: 107169 + 771 = 107940
Step 141: 107940 + 771 = 108711
Step 142: 108711 + 771 = 109482
Step 143: 109482 + 771 = 110253
Step 144: 110253 + 771 = 111024
Step 145: 111024 + 771 = 111795
Step 146: 111795 + 771 = 112566
Step 147: 112566 + 771 = 113337
Step 148: 113337 + 771 = 114108
Step 149: 114108 + 771 = 114879
Step 150: 114879 + 771 = 115650
Step 151: 115650 + 771 = 116421
Step 152: 116421 + 771 = 117192
Step 153: 117192 + 771 = 117963
Step 154: 117963 + 771 = 118734
Step 155: 118734 + 771 = 119505
Step 156: 119505 + 771 = 120276
Step 157: 120276 + 771 = 121047
Step 158: 121047 + 771 = 121818
Step 159: 121818 + 771 = 122589
Step 160: 122589 + 771 = 123360
Step 161: 123360 + 771 = 124131
Step 162: 124131 + 771 = 124902
Step 163: 124902 + 771 = 125673
Step 164: 125673 + 771 = 126444

So, 771*164 = 126444