Alright, let's solve this math problem step by step. First, we have the number 802. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 90. So, we're going to take the number 802 and add it to itself 90 times.
Step 1: 0 + 802 = 802
Step 2: 802 + 802 = 1604
Step 3: 1604 + 802 = 2406
Step 4: 2406 + 802 = 3208
Step 5: 3208 + 802 = 4010
Step 6: 4010 + 802 = 4812
Step 7: 4812 + 802 = 5614
Step 8: 5614 + 802 = 6416
Step 9: 6416 + 802 = 7218
Step 10: 7218 + 802 = 8020
Step 11: 8020 + 802 = 8822
Step 12: 8822 + 802 = 9624
Step 13: 9624 + 802 = 10426
Step 14: 10426 + 802 = 11228
Step 15: 11228 + 802 = 12030
Step 16: 12030 + 802 = 12832
Step 17: 12832 + 802 = 13634
Step 18: 13634 + 802 = 14436
Step 19: 14436 + 802 = 15238
Step 20: 15238 + 802 = 16040
Step 21: 16040 + 802 = 16842
Step 22: 16842 + 802 = 17644
Step 23: 17644 + 802 = 18446
Step 24: 18446 + 802 = 19248
Step 25: 19248 + 802 = 20050
Step 26: 20050 + 802 = 20852
Step 27: 20852 + 802 = 21654
Step 28: 21654 + 802 = 22456
Step 29: 22456 + 802 = 23258
Step 30: 23258 + 802 = 24060
Step 31: 24060 + 802 = 24862
Step 32: 24862 + 802 = 25664
Step 33: 25664 + 802 = 26466
Step 34: 26466 + 802 = 27268
Step 35: 27268 + 802 = 28070
Step 36: 28070 + 802 = 28872
Step 37: 28872 + 802 = 29674
Step 38: 29674 + 802 = 30476
Step 39: 30476 + 802 = 31278
Step 40: 31278 + 802 = 32080
Step 41: 32080 + 802 = 32882
Step 42: 32882 + 802 = 33684
Step 43: 33684 + 802 = 34486
Step 44: 34486 + 802 = 35288
Step 45: 35288 + 802 = 36090
Step 46: 36090 + 802 = 36892
Step 47: 36892 + 802 = 37694
Step 48: 37694 + 802 = 38496
Step 49: 38496 + 802 = 39298
Step 50: 39298 + 802 = 40100
Step 51: 40100 + 802 = 40902
Step 52: 40902 + 802 = 41704
Step 53: 41704 + 802 = 42506
Step 54: 42506 + 802 = 43308
Step 55: 43308 + 802 = 44110
Step 56: 44110 + 802 = 44912
Step 57: 44912 + 802 = 45714
Step 58: 45714 + 802 = 46516
Step 59: 46516 + 802 = 47318
Step 60: 47318 + 802 = 48120
Step 61: 48120 + 802 = 48922
Step 62: 48922 + 802 = 49724
Step 63: 49724 + 802 = 50526
Step 64: 50526 + 802 = 51328
Step 65: 51328 + 802 = 52130
Step 66: 52130 + 802 = 52932
Step 67: 52932 + 802 = 53734
Step 68: 53734 + 802 = 54536
Step 69: 54536 + 802 = 55338
Step 70: 55338 + 802 = 56140
Step 71: 56140 + 802 = 56942
Step 72: 56942 + 802 = 57744
Step 73: 57744 + 802 = 58546
Step 74: 58546 + 802 = 59348
Step 75: 59348 + 802 = 60150
Step 76: 60150 + 802 = 60952
Step 77: 60952 + 802 = 61754
Step 78: 61754 + 802 = 62556
Step 79: 62556 + 802 = 63358
Step 80: 63358 + 802 = 64160
Step 81: 64160 + 802 = 64962
Step 82: 64962 + 802 = 65764
Step 83: 65764 + 802 = 66566
Step 84: 66566 + 802 = 67368
Step 85: 67368 + 802 = 68170
Step 86: 68170 + 802 = 68972
Step 87: 68972 + 802 = 69774
Step 88: 69774 + 802 = 70576
Step 89: 70576 + 802 = 71378
Step 90: 71378 + 802 = 72180

So, 802*90 = 72180