OK, let's work through this together. We're starting with 585 and we're going to multiply it by 57, which means we add 585 to itself 57 times.
Step 1: 0 + 585 = 585
Step 2: 585 + 585 = 1170
Step 3: 1170 + 585 = 1755
Step 4: 1755 + 585 = 2340
Step 5: 2340 + 585 = 2925
Step 6: 2925 + 585 = 3510
Step 7: 3510 + 585 = 4095
Step 8: 4095 + 585 = 4680
Step 9: 4680 + 585 = 5265
Step 10: 5265 + 585 = 5850
Step 11: 5850 + 585 = 6435
Step 12: 6435 + 585 = 7020
Step 13: 7020 + 585 = 7605
Step 14: 7605 + 585 = 8190
Step 15: 8190 + 585 = 8775
Step 16: 8775 + 585 = 9360
Step 17: 9360 + 585 = 9945
Step 18: 9945 + 585 = 10530
Step 19: 10530 + 585 = 11115
Step 20: 11115 + 585 = 11700
Step 21: 11700 + 585 = 12285
Step 22: 12285 + 585 = 12870
Step 23: 12870 + 585 = 13455
Step 24: 13455 + 585 = 14040
Step 25: 14040 + 585 = 14625
Step 26: 14625 + 585 = 15210
Step 27: 15210 + 585 = 15795
Step 28: 15795 + 585 = 16380
Step 29: 16380 + 585 = 16965
Step 30: 16965 + 585 = 17550
Step 31: 17550 + 585 = 18135
Step 32: 18135 + 585 = 18720
Step 33: 18720 + 585 = 19305
Step 34: 19305 + 585 = 19890
Step 35: 19890 + 585 = 20475
Step 36: 20475 + 585 = 21060
Step 37: 21060 + 585 = 21645
Step 38: 21645 + 585 = 22230
Step 39: 22230 + 585 = 22815
Step 40: 22815 + 585 = 23400
Step 41: 23400 + 585 = 23985
Step 42: 23985 + 585 = 24570
Step 43: 24570 + 585 = 25155
Step 44: 25155 + 585 = 25740
Step 45: 25740 + 585 = 26325
Step 46: 26325 + 585 = 26910
Step 47: 26910 + 585 = 27495
Step 48: 27495 + 585 = 28080
Step 49: 28080 + 585 = 28665
Step 50: 28665 + 585 = 29250
Step 51: 29250 + 585 = 29835
Step 52: 29835 + 585 = 30420
Step 53: 30420 + 585 = 31005
Step 54: 31005 + 585 = 31590
Step 55: 31590 + 585 = 32175
Step 56: 32175 + 585 = 32760
Step 57: 32760 + 585 = 33345

So, 585*57 = 33345