Alright, let's solve this math problem step by step. First, we have the number 887. 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 887 and add it to itself 89 times.
Step 1: 0 + 887 = 887
Step 2: 887 + 887 = 1774
Step 3: 1774 + 887 = 2661
Step 4: 2661 + 887 = 3548
Step 5: 3548 + 887 = 4435
Step 6: 4435 + 887 = 5322
Step 7: 5322 + 887 = 6209
Step 8: 6209 + 887 = 7096
Step 9: 7096 + 887 = 7983
Step 10: 7983 + 887 = 8870
Step 11: 8870 + 887 = 9757
Step 12: 9757 + 887 = 10644
Step 13: 10644 + 887 = 11531
Step 14: 11531 + 887 = 12418
Step 15: 12418 + 887 = 13305
Step 16: 13305 + 887 = 14192
Step 17: 14192 + 887 = 15079
Step 18: 15079 + 887 = 15966
Step 19: 15966 + 887 = 16853
Step 20: 16853 + 887 = 17740
Step 21: 17740 + 887 = 18627
Step 22: 18627 + 887 = 19514
Step 23: 19514 + 887 = 20401
Step 24: 20401 + 887 = 21288
Step 25: 21288 + 887 = 22175
Step 26: 22175 + 887 = 23062
Step 27: 23062 + 887 = 23949
Step 28: 23949 + 887 = 24836
Step 29: 24836 + 887 = 25723
Step 30: 25723 + 887 = 26610
Step 31: 26610 + 887 = 27497
Step 32: 27497 + 887 = 28384
Step 33: 28384 + 887 = 29271
Step 34: 29271 + 887 = 30158
Step 35: 30158 + 887 = 31045
Step 36: 31045 + 887 = 31932
Step 37: 31932 + 887 = 32819
Step 38: 32819 + 887 = 33706
Step 39: 33706 + 887 = 34593
Step 40: 34593 + 887 = 35480
Step 41: 35480 + 887 = 36367
Step 42: 36367 + 887 = 37254
Step 43: 37254 + 887 = 38141
Step 44: 38141 + 887 = 39028
Step 45: 39028 + 887 = 39915
Step 46: 39915 + 887 = 40802
Step 47: 40802 + 887 = 41689
Step 48: 41689 + 887 = 42576
Step 49: 42576 + 887 = 43463
Step 50: 43463 + 887 = 44350
Step 51: 44350 + 887 = 45237
Step 52: 45237 + 887 = 46124
Step 53: 46124 + 887 = 47011
Step 54: 47011 + 887 = 47898
Step 55: 47898 + 887 = 48785
Step 56: 48785 + 887 = 49672
Step 57: 49672 + 887 = 50559
Step 58: 50559 + 887 = 51446
Step 59: 51446 + 887 = 52333
Step 60: 52333 + 887 = 53220
Step 61: 53220 + 887 = 54107
Step 62: 54107 + 887 = 54994
Step 63: 54994 + 887 = 55881
Step 64: 55881 + 887 = 56768
Step 65: 56768 + 887 = 57655
Step 66: 57655 + 887 = 58542
Step 67: 58542 + 887 = 59429
Step 68: 59429 + 887 = 60316
Step 69: 60316 + 887 = 61203
Step 70: 61203 + 887 = 62090
Step 71: 62090 + 887 = 62977
Step 72: 62977 + 887 = 63864
Step 73: 63864 + 887 = 64751
Step 74: 64751 + 887 = 65638
Step 75: 65638 + 887 = 66525
Step 76: 66525 + 887 = 67412
Step 77: 67412 + 887 = 68299
Step 78: 68299 + 887 = 69186
Step 79: 69186 + 887 = 70073
Step 80: 70073 + 887 = 70960
Step 81: 70960 + 887 = 71847
Step 82: 71847 + 887 = 72734
Step 83: 72734 + 887 = 73621
Step 84: 73621 + 887 = 74508
Step 85: 74508 + 887 = 75395
Step 86: 75395 + 887 = 76282
Step 87: 76282 + 887 = 77169
Step 88: 77169 + 887 = 78056
Step 89: 78056 + 887 = 78943

So, 887*89 = 78943