Sure thing, let's get straight to it. We start with 761 and we're going to multiply it by 86, which means adding 761 to itself 86 times.
Step 1: 0 + 761 = 761
Step 2: 761 + 761 = 1522
Step 3: 1522 + 761 = 2283
Step 4: 2283 + 761 = 3044
Step 5: 3044 + 761 = 3805
Step 6: 3805 + 761 = 4566
Step 7: 4566 + 761 = 5327
Step 8: 5327 + 761 = 6088
Step 9: 6088 + 761 = 6849
Step 10: 6849 + 761 = 7610
Step 11: 7610 + 761 = 8371
Step 12: 8371 + 761 = 9132
Step 13: 9132 + 761 = 9893
Step 14: 9893 + 761 = 10654
Step 15: 10654 + 761 = 11415
Step 16: 11415 + 761 = 12176
Step 17: 12176 + 761 = 12937
Step 18: 12937 + 761 = 13698
Step 19: 13698 + 761 = 14459
Step 20: 14459 + 761 = 15220
Step 21: 15220 + 761 = 15981
Step 22: 15981 + 761 = 16742
Step 23: 16742 + 761 = 17503
Step 24: 17503 + 761 = 18264
Step 25: 18264 + 761 = 19025
Step 26: 19025 + 761 = 19786
Step 27: 19786 + 761 = 20547
Step 28: 20547 + 761 = 21308
Step 29: 21308 + 761 = 22069
Step 30: 22069 + 761 = 22830
Step 31: 22830 + 761 = 23591
Step 32: 23591 + 761 = 24352
Step 33: 24352 + 761 = 25113
Step 34: 25113 + 761 = 25874
Step 35: 25874 + 761 = 26635
Step 36: 26635 + 761 = 27396
Step 37: 27396 + 761 = 28157
Step 38: 28157 + 761 = 28918
Step 39: 28918 + 761 = 29679
Step 40: 29679 + 761 = 30440
Step 41: 30440 + 761 = 31201
Step 42: 31201 + 761 = 31962
Step 43: 31962 + 761 = 32723
Step 44: 32723 + 761 = 33484
Step 45: 33484 + 761 = 34245
Step 46: 34245 + 761 = 35006
Step 47: 35006 + 761 = 35767
Step 48: 35767 + 761 = 36528
Step 49: 36528 + 761 = 37289
Step 50: 37289 + 761 = 38050
Step 51: 38050 + 761 = 38811
Step 52: 38811 + 761 = 39572
Step 53: 39572 + 761 = 40333
Step 54: 40333 + 761 = 41094
Step 55: 41094 + 761 = 41855
Step 56: 41855 + 761 = 42616
Step 57: 42616 + 761 = 43377
Step 58: 43377 + 761 = 44138
Step 59: 44138 + 761 = 44899
Step 60: 44899 + 761 = 45660
Step 61: 45660 + 761 = 46421
Step 62: 46421 + 761 = 47182
Step 63: 47182 + 761 = 47943
Step 64: 47943 + 761 = 48704
Step 65: 48704 + 761 = 49465
Step 66: 49465 + 761 = 50226
Step 67: 50226 + 761 = 50987
Step 68: 50987 + 761 = 51748
Step 69: 51748 + 761 = 52509
Step 70: 52509 + 761 = 53270
Step 71: 53270 + 761 = 54031
Step 72: 54031 + 761 = 54792
Step 73: 54792 + 761 = 55553
Step 74: 55553 + 761 = 56314
Step 75: 56314 + 761 = 57075
Step 76: 57075 + 761 = 57836
Step 77: 57836 + 761 = 58597
Step 78: 58597 + 761 = 59358
Step 79: 59358 + 761 = 60119
Step 80: 60119 + 761 = 60880
Step 81: 60880 + 761 = 61641
Step 82: 61641 + 761 = 62402
Step 83: 62402 + 761 = 63163
Step 84: 63163 + 761 = 63924
Step 85: 63924 + 761 = 64685
Step 86: 64685 + 761 = 65446

So, 761*86 = 65446