Let's get this math done. We have 540 and we're going to multiply it by 83. This is the same as taking 540 and adding it to itself 83 times.
Step 1: 0 + 540 = 540
Step 2: 540 + 540 = 1080
Step 3: 1080 + 540 = 1620
Step 4: 1620 + 540 = 2160
Step 5: 2160 + 540 = 2700
Step 6: 2700 + 540 = 3240
Step 7: 3240 + 540 = 3780
Step 8: 3780 + 540 = 4320
Step 9: 4320 + 540 = 4860
Step 10: 4860 + 540 = 5400
Step 11: 5400 + 540 = 5940
Step 12: 5940 + 540 = 6480
Step 13: 6480 + 540 = 7020
Step 14: 7020 + 540 = 7560
Step 15: 7560 + 540 = 8100
Step 16: 8100 + 540 = 8640
Step 17: 8640 + 540 = 9180
Step 18: 9180 + 540 = 9720
Step 19: 9720 + 540 = 10260
Step 20: 10260 + 540 = 10800
Step 21: 10800 + 540 = 11340
Step 22: 11340 + 540 = 11880
Step 23: 11880 + 540 = 12420
Step 24: 12420 + 540 = 12960
Step 25: 12960 + 540 = 13500
Step 26: 13500 + 540 = 14040
Step 27: 14040 + 540 = 14580
Step 28: 14580 + 540 = 15120
Step 29: 15120 + 540 = 15660
Step 30: 15660 + 540 = 16200
Step 31: 16200 + 540 = 16740
Step 32: 16740 + 540 = 17280
Step 33: 17280 + 540 = 17820
Step 34: 17820 + 540 = 18360
Step 35: 18360 + 540 = 18900
Step 36: 18900 + 540 = 19440
Step 37: 19440 + 540 = 19980
Step 38: 19980 + 540 = 20520
Step 39: 20520 + 540 = 21060
Step 40: 21060 + 540 = 21600
Step 41: 21600 + 540 = 22140
Step 42: 22140 + 540 = 22680
Step 43: 22680 + 540 = 23220
Step 44: 23220 + 540 = 23760
Step 45: 23760 + 540 = 24300
Step 46: 24300 + 540 = 24840
Step 47: 24840 + 540 = 25380
Step 48: 25380 + 540 = 25920
Step 49: 25920 + 540 = 26460
Step 50: 26460 + 540 = 27000
Step 51: 27000 + 540 = 27540
Step 52: 27540 + 540 = 28080
Step 53: 28080 + 540 = 28620
Step 54: 28620 + 540 = 29160
Step 55: 29160 + 540 = 29700
Step 56: 29700 + 540 = 30240
Step 57: 30240 + 540 = 30780
Step 58: 30780 + 540 = 31320
Step 59: 31320 + 540 = 31860
Step 60: 31860 + 540 = 32400
Step 61: 32400 + 540 = 32940
Step 62: 32940 + 540 = 33480
Step 63: 33480 + 540 = 34020
Step 64: 34020 + 540 = 34560
Step 65: 34560 + 540 = 35100
Step 66: 35100 + 540 = 35640
Step 67: 35640 + 540 = 36180
Step 68: 36180 + 540 = 36720
Step 69: 36720 + 540 = 37260
Step 70: 37260 + 540 = 37800
Step 71: 37800 + 540 = 38340
Step 72: 38340 + 540 = 38880
Step 73: 38880 + 540 = 39420
Step 74: 39420 + 540 = 39960
Step 75: 39960 + 540 = 40500
Step 76: 40500 + 540 = 41040
Step 77: 41040 + 540 = 41580
Step 78: 41580 + 540 = 42120
Step 79: 42120 + 540 = 42660
Step 80: 42660 + 540 = 43200
Step 81: 43200 + 540 = 43740
Step 82: 43740 + 540 = 44280
Step 83: 44280 + 540 = 44820

So, 540*83 = 44820