OK, let's work through this together. We're starting with 713 and we're going to multiply it by 84, which means we add 713 to itself 84 times.
Step 1: 0 + 713 = 713
Step 2: 713 + 713 = 1426
Step 3: 1426 + 713 = 2139
Step 4: 2139 + 713 = 2852
Step 5: 2852 + 713 = 3565
Step 6: 3565 + 713 = 4278
Step 7: 4278 + 713 = 4991
Step 8: 4991 + 713 = 5704
Step 9: 5704 + 713 = 6417
Step 10: 6417 + 713 = 7130
Step 11: 7130 + 713 = 7843
Step 12: 7843 + 713 = 8556
Step 13: 8556 + 713 = 9269
Step 14: 9269 + 713 = 9982
Step 15: 9982 + 713 = 10695
Step 16: 10695 + 713 = 11408
Step 17: 11408 + 713 = 12121
Step 18: 12121 + 713 = 12834
Step 19: 12834 + 713 = 13547
Step 20: 13547 + 713 = 14260
Step 21: 14260 + 713 = 14973
Step 22: 14973 + 713 = 15686
Step 23: 15686 + 713 = 16399
Step 24: 16399 + 713 = 17112
Step 25: 17112 + 713 = 17825
Step 26: 17825 + 713 = 18538
Step 27: 18538 + 713 = 19251
Step 28: 19251 + 713 = 19964
Step 29: 19964 + 713 = 20677
Step 30: 20677 + 713 = 21390
Step 31: 21390 + 713 = 22103
Step 32: 22103 + 713 = 22816
Step 33: 22816 + 713 = 23529
Step 34: 23529 + 713 = 24242
Step 35: 24242 + 713 = 24955
Step 36: 24955 + 713 = 25668
Step 37: 25668 + 713 = 26381
Step 38: 26381 + 713 = 27094
Step 39: 27094 + 713 = 27807
Step 40: 27807 + 713 = 28520
Step 41: 28520 + 713 = 29233
Step 42: 29233 + 713 = 29946
Step 43: 29946 + 713 = 30659
Step 44: 30659 + 713 = 31372
Step 45: 31372 + 713 = 32085
Step 46: 32085 + 713 = 32798
Step 47: 32798 + 713 = 33511
Step 48: 33511 + 713 = 34224
Step 49: 34224 + 713 = 34937
Step 50: 34937 + 713 = 35650
Step 51: 35650 + 713 = 36363
Step 52: 36363 + 713 = 37076
Step 53: 37076 + 713 = 37789
Step 54: 37789 + 713 = 38502
Step 55: 38502 + 713 = 39215
Step 56: 39215 + 713 = 39928
Step 57: 39928 + 713 = 40641
Step 58: 40641 + 713 = 41354
Step 59: 41354 + 713 = 42067
Step 60: 42067 + 713 = 42780
Step 61: 42780 + 713 = 43493
Step 62: 43493 + 713 = 44206
Step 63: 44206 + 713 = 44919
Step 64: 44919 + 713 = 45632
Step 65: 45632 + 713 = 46345
Step 66: 46345 + 713 = 47058
Step 67: 47058 + 713 = 47771
Step 68: 47771 + 713 = 48484
Step 69: 48484 + 713 = 49197
Step 70: 49197 + 713 = 49910
Step 71: 49910 + 713 = 50623
Step 72: 50623 + 713 = 51336
Step 73: 51336 + 713 = 52049
Step 74: 52049 + 713 = 52762
Step 75: 52762 + 713 = 53475
Step 76: 53475 + 713 = 54188
Step 77: 54188 + 713 = 54901
Step 78: 54901 + 713 = 55614
Step 79: 55614 + 713 = 56327
Step 80: 56327 + 713 = 57040
Step 81: 57040 + 713 = 57753
Step 82: 57753 + 713 = 58466
Step 83: 58466 + 713 = 59179
Step 84: 59179 + 713 = 59892

So, 713*84 = 59892