Alright, let's solve this math problem step by step. First, we have the number 881. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 89. So, we're going to take the number 881 and add it to itself 89 times.
Step 1: 0 + 881 = 881
Step 2: 881 + 881 = 1762
Step 3: 1762 + 881 = 2643
Step 4: 2643 + 881 = 3524
Step 5: 3524 + 881 = 4405
Step 6: 4405 + 881 = 5286
Step 7: 5286 + 881 = 6167
Step 8: 6167 + 881 = 7048
Step 9: 7048 + 881 = 7929
Step 10: 7929 + 881 = 8810
Step 11: 8810 + 881 = 9691
Step 12: 9691 + 881 = 10572
Step 13: 10572 + 881 = 11453
Step 14: 11453 + 881 = 12334
Step 15: 12334 + 881 = 13215
Step 16: 13215 + 881 = 14096
Step 17: 14096 + 881 = 14977
Step 18: 14977 + 881 = 15858
Step 19: 15858 + 881 = 16739
Step 20: 16739 + 881 = 17620
Step 21: 17620 + 881 = 18501
Step 22: 18501 + 881 = 19382
Step 23: 19382 + 881 = 20263
Step 24: 20263 + 881 = 21144
Step 25: 21144 + 881 = 22025
Step 26: 22025 + 881 = 22906
Step 27: 22906 + 881 = 23787
Step 28: 23787 + 881 = 24668
Step 29: 24668 + 881 = 25549
Step 30: 25549 + 881 = 26430
Step 31: 26430 + 881 = 27311
Step 32: 27311 + 881 = 28192
Step 33: 28192 + 881 = 29073
Step 34: 29073 + 881 = 29954
Step 35: 29954 + 881 = 30835
Step 36: 30835 + 881 = 31716
Step 37: 31716 + 881 = 32597
Step 38: 32597 + 881 = 33478
Step 39: 33478 + 881 = 34359
Step 40: 34359 + 881 = 35240
Step 41: 35240 + 881 = 36121
Step 42: 36121 + 881 = 37002
Step 43: 37002 + 881 = 37883
Step 44: 37883 + 881 = 38764
Step 45: 38764 + 881 = 39645
Step 46: 39645 + 881 = 40526
Step 47: 40526 + 881 = 41407
Step 48: 41407 + 881 = 42288
Step 49: 42288 + 881 = 43169
Step 50: 43169 + 881 = 44050
Step 51: 44050 + 881 = 44931
Step 52: 44931 + 881 = 45812
Step 53: 45812 + 881 = 46693
Step 54: 46693 + 881 = 47574
Step 55: 47574 + 881 = 48455
Step 56: 48455 + 881 = 49336
Step 57: 49336 + 881 = 50217
Step 58: 50217 + 881 = 51098
Step 59: 51098 + 881 = 51979
Step 60: 51979 + 881 = 52860
Step 61: 52860 + 881 = 53741
Step 62: 53741 + 881 = 54622
Step 63: 54622 + 881 = 55503
Step 64: 55503 + 881 = 56384
Step 65: 56384 + 881 = 57265
Step 66: 57265 + 881 = 58146
Step 67: 58146 + 881 = 59027
Step 68: 59027 + 881 = 59908
Step 69: 59908 + 881 = 60789
Step 70: 60789 + 881 = 61670
Step 71: 61670 + 881 = 62551
Step 72: 62551 + 881 = 63432
Step 73: 63432 + 881 = 64313
Step 74: 64313 + 881 = 65194
Step 75: 65194 + 881 = 66075
Step 76: 66075 + 881 = 66956
Step 77: 66956 + 881 = 67837
Step 78: 67837 + 881 = 68718
Step 79: 68718 + 881 = 69599
Step 80: 69599 + 881 = 70480
Step 81: 70480 + 881 = 71361
Step 82: 71361 + 881 = 72242
Step 83: 72242 + 881 = 73123
Step 84: 73123 + 881 = 74004
Step 85: 74004 + 881 = 74885
Step 86: 74885 + 881 = 75766
Step 87: 75766 + 881 = 76647
Step 88: 76647 + 881 = 77528
Step 89: 77528 + 881 = 78409

So, 881*89 = 78409