Let's get this math done. We have 796 and we're going to multiply it by 89. This is the same as taking 796 and adding it to itself 89 times.
Step 1: 0 + 796 = 796
Step 2: 796 + 796 = 1592
Step 3: 1592 + 796 = 2388
Step 4: 2388 + 796 = 3184
Step 5: 3184 + 796 = 3980
Step 6: 3980 + 796 = 4776
Step 7: 4776 + 796 = 5572
Step 8: 5572 + 796 = 6368
Step 9: 6368 + 796 = 7164
Step 10: 7164 + 796 = 7960
Step 11: 7960 + 796 = 8756
Step 12: 8756 + 796 = 9552
Step 13: 9552 + 796 = 10348
Step 14: 10348 + 796 = 11144
Step 15: 11144 + 796 = 11940
Step 16: 11940 + 796 = 12736
Step 17: 12736 + 796 = 13532
Step 18: 13532 + 796 = 14328
Step 19: 14328 + 796 = 15124
Step 20: 15124 + 796 = 15920
Step 21: 15920 + 796 = 16716
Step 22: 16716 + 796 = 17512
Step 23: 17512 + 796 = 18308
Step 24: 18308 + 796 = 19104
Step 25: 19104 + 796 = 19900
Step 26: 19900 + 796 = 20696
Step 27: 20696 + 796 = 21492
Step 28: 21492 + 796 = 22288
Step 29: 22288 + 796 = 23084
Step 30: 23084 + 796 = 23880
Step 31: 23880 + 796 = 24676
Step 32: 24676 + 796 = 25472
Step 33: 25472 + 796 = 26268
Step 34: 26268 + 796 = 27064
Step 35: 27064 + 796 = 27860
Step 36: 27860 + 796 = 28656
Step 37: 28656 + 796 = 29452
Step 38: 29452 + 796 = 30248
Step 39: 30248 + 796 = 31044
Step 40: 31044 + 796 = 31840
Step 41: 31840 + 796 = 32636
Step 42: 32636 + 796 = 33432
Step 43: 33432 + 796 = 34228
Step 44: 34228 + 796 = 35024
Step 45: 35024 + 796 = 35820
Step 46: 35820 + 796 = 36616
Step 47: 36616 + 796 = 37412
Step 48: 37412 + 796 = 38208
Step 49: 38208 + 796 = 39004
Step 50: 39004 + 796 = 39800
Step 51: 39800 + 796 = 40596
Step 52: 40596 + 796 = 41392
Step 53: 41392 + 796 = 42188
Step 54: 42188 + 796 = 42984
Step 55: 42984 + 796 = 43780
Step 56: 43780 + 796 = 44576
Step 57: 44576 + 796 = 45372
Step 58: 45372 + 796 = 46168
Step 59: 46168 + 796 = 46964
Step 60: 46964 + 796 = 47760
Step 61: 47760 + 796 = 48556
Step 62: 48556 + 796 = 49352
Step 63: 49352 + 796 = 50148
Step 64: 50148 + 796 = 50944
Step 65: 50944 + 796 = 51740
Step 66: 51740 + 796 = 52536
Step 67: 52536 + 796 = 53332
Step 68: 53332 + 796 = 54128
Step 69: 54128 + 796 = 54924
Step 70: 54924 + 796 = 55720
Step 71: 55720 + 796 = 56516
Step 72: 56516 + 796 = 57312
Step 73: 57312 + 796 = 58108
Step 74: 58108 + 796 = 58904
Step 75: 58904 + 796 = 59700
Step 76: 59700 + 796 = 60496
Step 77: 60496 + 796 = 61292
Step 78: 61292 + 796 = 62088
Step 79: 62088 + 796 = 62884
Step 80: 62884 + 796 = 63680
Step 81: 63680 + 796 = 64476
Step 82: 64476 + 796 = 65272
Step 83: 65272 + 796 = 66068
Step 84: 66068 + 796 = 66864
Step 85: 66864 + 796 = 67660
Step 86: 67660 + 796 = 68456
Step 87: 68456 + 796 = 69252
Step 88: 69252 + 796 = 70048
Step 89: 70048 + 796 = 70844

So, 796*89 = 70844