Alright, let's solve this math problem step by step. First, we have the number 654. Next, we see the multiplication sign, which means we need to multiply something. And what are we multiplying it by? We multiply it by 81. So, we're going to take the number 654 and add it to itself 81 times.
Step 1: 0 + 654 = 654
Step 2: 654 + 654 = 1308
Step 3: 1308 + 654 = 1962
Step 4: 1962 + 654 = 2616
Step 5: 2616 + 654 = 3270
Step 6: 3270 + 654 = 3924
Step 7: 3924 + 654 = 4578
Step 8: 4578 + 654 = 5232
Step 9: 5232 + 654 = 5886
Step 10: 5886 + 654 = 6540
Step 11: 6540 + 654 = 7194
Step 12: 7194 + 654 = 7848
Step 13: 7848 + 654 = 8502
Step 14: 8502 + 654 = 9156
Step 15: 9156 + 654 = 9810
Step 16: 9810 + 654 = 10464
Step 17: 10464 + 654 = 11118
Step 18: 11118 + 654 = 11772
Step 19: 11772 + 654 = 12426
Step 20: 12426 + 654 = 13080
Step 21: 13080 + 654 = 13734
Step 22: 13734 + 654 = 14388
Step 23: 14388 + 654 = 15042
Step 24: 15042 + 654 = 15696
Step 25: 15696 + 654 = 16350
Step 26: 16350 + 654 = 17004
Step 27: 17004 + 654 = 17658
Step 28: 17658 + 654 = 18312
Step 29: 18312 + 654 = 18966
Step 30: 18966 + 654 = 19620
Step 31: 19620 + 654 = 20274
Step 32: 20274 + 654 = 20928
Step 33: 20928 + 654 = 21582
Step 34: 21582 + 654 = 22236
Step 35: 22236 + 654 = 22890
Step 36: 22890 + 654 = 23544
Step 37: 23544 + 654 = 24198
Step 38: 24198 + 654 = 24852
Step 39: 24852 + 654 = 25506
Step 40: 25506 + 654 = 26160
Step 41: 26160 + 654 = 26814
Step 42: 26814 + 654 = 27468
Step 43: 27468 + 654 = 28122
Step 44: 28122 + 654 = 28776
Step 45: 28776 + 654 = 29430
Step 46: 29430 + 654 = 30084
Step 47: 30084 + 654 = 30738
Step 48: 30738 + 654 = 31392
Step 49: 31392 + 654 = 32046
Step 50: 32046 + 654 = 32700
Step 51: 32700 + 654 = 33354
Step 52: 33354 + 654 = 34008
Step 53: 34008 + 654 = 34662
Step 54: 34662 + 654 = 35316
Step 55: 35316 + 654 = 35970
Step 56: 35970 + 654 = 36624
Step 57: 36624 + 654 = 37278
Step 58: 37278 + 654 = 37932
Step 59: 37932 + 654 = 38586
Step 60: 38586 + 654 = 39240
Step 61: 39240 + 654 = 39894
Step 62: 39894 + 654 = 40548
Step 63: 40548 + 654 = 41202
Step 64: 41202 + 654 = 41856
Step 65: 41856 + 654 = 42510
Step 66: 42510 + 654 = 43164
Step 67: 43164 + 654 = 43818
Step 68: 43818 + 654 = 44472
Step 69: 44472 + 654 = 45126
Step 70: 45126 + 654 = 45780
Step 71: 45780 + 654 = 46434
Step 72: 46434 + 654 = 47088
Step 73: 47088 + 654 = 47742
Step 74: 47742 + 654 = 48396
Step 75: 48396 + 654 = 49050
Step 76: 49050 + 654 = 49704
Step 77: 49704 + 654 = 50358
Step 78: 50358 + 654 = 51012
Step 79: 51012 + 654 = 51666
Step 80: 51666 + 654 = 52320
Step 81: 52320 + 654 = 52974

So, 654*81 = 52974