Alright, let's solve this math problem step by step. First, we have the number 87. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 92. So, we're going to take the number 87 and add it to itself 92 times.
Step 1: 0 + 87 = 87
Step 2: 87 + 87 = 174
Step 3: 174 + 87 = 261
Step 4: 261 + 87 = 348
Step 5: 348 + 87 = 435
Step 6: 435 + 87 = 522
Step 7: 522 + 87 = 609
Step 8: 609 + 87 = 696
Step 9: 696 + 87 = 783
Step 10: 783 + 87 = 870
Step 11: 870 + 87 = 957
Step 12: 957 + 87 = 1044
Step 13: 1044 + 87 = 1131
Step 14: 1131 + 87 = 1218
Step 15: 1218 + 87 = 1305
Step 16: 1305 + 87 = 1392
Step 17: 1392 + 87 = 1479
Step 18: 1479 + 87 = 1566
Step 19: 1566 + 87 = 1653
Step 20: 1653 + 87 = 1740
Step 21: 1740 + 87 = 1827
Step 22: 1827 + 87 = 1914
Step 23: 1914 + 87 = 2001
Step 24: 2001 + 87 = 2088
Step 25: 2088 + 87 = 2175
Step 26: 2175 + 87 = 2262
Step 27: 2262 + 87 = 2349
Step 28: 2349 + 87 = 2436
Step 29: 2436 + 87 = 2523
Step 30: 2523 + 87 = 2610
Step 31: 2610 + 87 = 2697
Step 32: 2697 + 87 = 2784
Step 33: 2784 + 87 = 2871
Step 34: 2871 + 87 = 2958
Step 35: 2958 + 87 = 3045
Step 36: 3045 + 87 = 3132
Step 37: 3132 + 87 = 3219
Step 38: 3219 + 87 = 3306
Step 39: 3306 + 87 = 3393
Step 40: 3393 + 87 = 3480
Step 41: 3480 + 87 = 3567
Step 42: 3567 + 87 = 3654
Step 43: 3654 + 87 = 3741
Step 44: 3741 + 87 = 3828
Step 45: 3828 + 87 = 3915
Step 46: 3915 + 87 = 4002
Step 47: 4002 + 87 = 4089
Step 48: 4089 + 87 = 4176
Step 49: 4176 + 87 = 4263
Step 50: 4263 + 87 = 4350
Step 51: 4350 + 87 = 4437
Step 52: 4437 + 87 = 4524
Step 53: 4524 + 87 = 4611
Step 54: 4611 + 87 = 4698
Step 55: 4698 + 87 = 4785
Step 56: 4785 + 87 = 4872
Step 57: 4872 + 87 = 4959
Step 58: 4959 + 87 = 5046
Step 59: 5046 + 87 = 5133
Step 60: 5133 + 87 = 5220
Step 61: 5220 + 87 = 5307
Step 62: 5307 + 87 = 5394
Step 63: 5394 + 87 = 5481
Step 64: 5481 + 87 = 5568
Step 65: 5568 + 87 = 5655
Step 66: 5655 + 87 = 5742
Step 67: 5742 + 87 = 5829
Step 68: 5829 + 87 = 5916
Step 69: 5916 + 87 = 6003
Step 70: 6003 + 87 = 6090
Step 71: 6090 + 87 = 6177
Step 72: 6177 + 87 = 6264
Step 73: 6264 + 87 = 6351
Step 74: 6351 + 87 = 6438
Step 75: 6438 + 87 = 6525
Step 76: 6525 + 87 = 6612
Step 77: 6612 + 87 = 6699
Step 78: 6699 + 87 = 6786
Step 79: 6786 + 87 = 6873
Step 80: 6873 + 87 = 6960
Step 81: 6960 + 87 = 7047
Step 82: 7047 + 87 = 7134
Step 83: 7134 + 87 = 7221
Step 84: 7221 + 87 = 7308
Step 85: 7308 + 87 = 7395
Step 86: 7395 + 87 = 7482
Step 87: 7482 + 87 = 7569
Step 88: 7569 + 87 = 7656
Step 89: 7656 + 87 = 7743
Step 90: 7743 + 87 = 7830
Step 91: 7830 + 87 = 7917
Step 92: 7917 + 87 = 8004

So, 87*92 = 8004