Without delay, let's solve this. We've got 485 and we will be multiplying it by 85, that is, adding 485 to itself 85 times.
Step 1: 0 + 485 = 485
Step 2: 485 + 485 = 970
Step 3: 970 + 485 = 1455
Step 4: 1455 + 485 = 1940
Step 5: 1940 + 485 = 2425
Step 6: 2425 + 485 = 2910
Step 7: 2910 + 485 = 3395
Step 8: 3395 + 485 = 3880
Step 9: 3880 + 485 = 4365
Step 10: 4365 + 485 = 4850
Step 11: 4850 + 485 = 5335
Step 12: 5335 + 485 = 5820
Step 13: 5820 + 485 = 6305
Step 14: 6305 + 485 = 6790
Step 15: 6790 + 485 = 7275
Step 16: 7275 + 485 = 7760
Step 17: 7760 + 485 = 8245
Step 18: 8245 + 485 = 8730
Step 19: 8730 + 485 = 9215
Step 20: 9215 + 485 = 9700
Step 21: 9700 + 485 = 10185
Step 22: 10185 + 485 = 10670
Step 23: 10670 + 485 = 11155
Step 24: 11155 + 485 = 11640
Step 25: 11640 + 485 = 12125
Step 26: 12125 + 485 = 12610
Step 27: 12610 + 485 = 13095
Step 28: 13095 + 485 = 13580
Step 29: 13580 + 485 = 14065
Step 30: 14065 + 485 = 14550
Step 31: 14550 + 485 = 15035
Step 32: 15035 + 485 = 15520
Step 33: 15520 + 485 = 16005
Step 34: 16005 + 485 = 16490
Step 35: 16490 + 485 = 16975
Step 36: 16975 + 485 = 17460
Step 37: 17460 + 485 = 17945
Step 38: 17945 + 485 = 18430
Step 39: 18430 + 485 = 18915
Step 40: 18915 + 485 = 19400
Step 41: 19400 + 485 = 19885
Step 42: 19885 + 485 = 20370
Step 43: 20370 + 485 = 20855
Step 44: 20855 + 485 = 21340
Step 45: 21340 + 485 = 21825
Step 46: 21825 + 485 = 22310
Step 47: 22310 + 485 = 22795
Step 48: 22795 + 485 = 23280
Step 49: 23280 + 485 = 23765
Step 50: 23765 + 485 = 24250
Step 51: 24250 + 485 = 24735
Step 52: 24735 + 485 = 25220
Step 53: 25220 + 485 = 25705
Step 54: 25705 + 485 = 26190
Step 55: 26190 + 485 = 26675
Step 56: 26675 + 485 = 27160
Step 57: 27160 + 485 = 27645
Step 58: 27645 + 485 = 28130
Step 59: 28130 + 485 = 28615
Step 60: 28615 + 485 = 29100
Step 61: 29100 + 485 = 29585
Step 62: 29585 + 485 = 30070
Step 63: 30070 + 485 = 30555
Step 64: 30555 + 485 = 31040
Step 65: 31040 + 485 = 31525
Step 66: 31525 + 485 = 32010
Step 67: 32010 + 485 = 32495
Step 68: 32495 + 485 = 32980
Step 69: 32980 + 485 = 33465
Step 70: 33465 + 485 = 33950
Step 71: 33950 + 485 = 34435
Step 72: 34435 + 485 = 34920
Step 73: 34920 + 485 = 35405
Step 74: 35405 + 485 = 35890
Step 75: 35890 + 485 = 36375
Step 76: 36375 + 485 = 36860
Step 77: 36860 + 485 = 37345
Step 78: 37345 + 485 = 37830
Step 79: 37830 + 485 = 38315
Step 80: 38315 + 485 = 38800
Step 81: 38800 + 485 = 39285
Step 82: 39285 + 485 = 39770
Step 83: 39770 + 485 = 40255
Step 84: 40255 + 485 = 40740
Step 85: 40740 + 485 = 41225

So, 485*85 = 41225