OK, let's work through this together. We're starting with 491 and we're going to multiply it by 89, which means we add 491 to itself 89 times.
Step 1: 0 + 491 = 491
Step 2: 491 + 491 = 982
Step 3: 982 + 491 = 1473
Step 4: 1473 + 491 = 1964
Step 5: 1964 + 491 = 2455
Step 6: 2455 + 491 = 2946
Step 7: 2946 + 491 = 3437
Step 8: 3437 + 491 = 3928
Step 9: 3928 + 491 = 4419
Step 10: 4419 + 491 = 4910
Step 11: 4910 + 491 = 5401
Step 12: 5401 + 491 = 5892
Step 13: 5892 + 491 = 6383
Step 14: 6383 + 491 = 6874
Step 15: 6874 + 491 = 7365
Step 16: 7365 + 491 = 7856
Step 17: 7856 + 491 = 8347
Step 18: 8347 + 491 = 8838
Step 19: 8838 + 491 = 9329
Step 20: 9329 + 491 = 9820
Step 21: 9820 + 491 = 10311
Step 22: 10311 + 491 = 10802
Step 23: 10802 + 491 = 11293
Step 24: 11293 + 491 = 11784
Step 25: 11784 + 491 = 12275
Step 26: 12275 + 491 = 12766
Step 27: 12766 + 491 = 13257
Step 28: 13257 + 491 = 13748
Step 29: 13748 + 491 = 14239
Step 30: 14239 + 491 = 14730
Step 31: 14730 + 491 = 15221
Step 32: 15221 + 491 = 15712
Step 33: 15712 + 491 = 16203
Step 34: 16203 + 491 = 16694
Step 35: 16694 + 491 = 17185
Step 36: 17185 + 491 = 17676
Step 37: 17676 + 491 = 18167
Step 38: 18167 + 491 = 18658
Step 39: 18658 + 491 = 19149
Step 40: 19149 + 491 = 19640
Step 41: 19640 + 491 = 20131
Step 42: 20131 + 491 = 20622
Step 43: 20622 + 491 = 21113
Step 44: 21113 + 491 = 21604
Step 45: 21604 + 491 = 22095
Step 46: 22095 + 491 = 22586
Step 47: 22586 + 491 = 23077
Step 48: 23077 + 491 = 23568
Step 49: 23568 + 491 = 24059
Step 50: 24059 + 491 = 24550
Step 51: 24550 + 491 = 25041
Step 52: 25041 + 491 = 25532
Step 53: 25532 + 491 = 26023
Step 54: 26023 + 491 = 26514
Step 55: 26514 + 491 = 27005
Step 56: 27005 + 491 = 27496
Step 57: 27496 + 491 = 27987
Step 58: 27987 + 491 = 28478
Step 59: 28478 + 491 = 28969
Step 60: 28969 + 491 = 29460
Step 61: 29460 + 491 = 29951
Step 62: 29951 + 491 = 30442
Step 63: 30442 + 491 = 30933
Step 64: 30933 + 491 = 31424
Step 65: 31424 + 491 = 31915
Step 66: 31915 + 491 = 32406
Step 67: 32406 + 491 = 32897
Step 68: 32897 + 491 = 33388
Step 69: 33388 + 491 = 33879
Step 70: 33879 + 491 = 34370
Step 71: 34370 + 491 = 34861
Step 72: 34861 + 491 = 35352
Step 73: 35352 + 491 = 35843
Step 74: 35843 + 491 = 36334
Step 75: 36334 + 491 = 36825
Step 76: 36825 + 491 = 37316
Step 77: 37316 + 491 = 37807
Step 78: 37807 + 491 = 38298
Step 79: 38298 + 491 = 38789
Step 80: 38789 + 491 = 39280
Step 81: 39280 + 491 = 39771
Step 82: 39771 + 491 = 40262
Step 83: 40262 + 491 = 40753
Step 84: 40753 + 491 = 41244
Step 85: 41244 + 491 = 41735
Step 86: 41735 + 491 = 42226
Step 87: 42226 + 491 = 42717
Step 88: 42717 + 491 = 43208
Step 89: 43208 + 491 = 43699

So, 491*89 = 43699