Sure thing, let's get straight to it. We start with 303 and we're going to multiply it by 60, which means adding 303 to itself 60 times.
Step 1: 0 + 303 = 303
Step 2: 303 + 303 = 606
Step 3: 606 + 303 = 909
Step 4: 909 + 303 = 1212
Step 5: 1212 + 303 = 1515
Step 6: 1515 + 303 = 1818
Step 7: 1818 + 303 = 2121
Step 8: 2121 + 303 = 2424
Step 9: 2424 + 303 = 2727
Step 10: 2727 + 303 = 3030
Step 11: 3030 + 303 = 3333
Step 12: 3333 + 303 = 3636
Step 13: 3636 + 303 = 3939
Step 14: 3939 + 303 = 4242
Step 15: 4242 + 303 = 4545
Step 16: 4545 + 303 = 4848
Step 17: 4848 + 303 = 5151
Step 18: 5151 + 303 = 5454
Step 19: 5454 + 303 = 5757
Step 20: 5757 + 303 = 6060
Step 21: 6060 + 303 = 6363
Step 22: 6363 + 303 = 6666
Step 23: 6666 + 303 = 6969
Step 24: 6969 + 303 = 7272
Step 25: 7272 + 303 = 7575
Step 26: 7575 + 303 = 7878
Step 27: 7878 + 303 = 8181
Step 28: 8181 + 303 = 8484
Step 29: 8484 + 303 = 8787
Step 30: 8787 + 303 = 9090
Step 31: 9090 + 303 = 9393
Step 32: 9393 + 303 = 9696
Step 33: 9696 + 303 = 9999
Step 34: 9999 + 303 = 10302
Step 35: 10302 + 303 = 10605
Step 36: 10605 + 303 = 10908
Step 37: 10908 + 303 = 11211
Step 38: 11211 + 303 = 11514
Step 39: 11514 + 303 = 11817
Step 40: 11817 + 303 = 12120
Step 41: 12120 + 303 = 12423
Step 42: 12423 + 303 = 12726
Step 43: 12726 + 303 = 13029
Step 44: 13029 + 303 = 13332
Step 45: 13332 + 303 = 13635
Step 46: 13635 + 303 = 13938
Step 47: 13938 + 303 = 14241
Step 48: 14241 + 303 = 14544
Step 49: 14544 + 303 = 14847
Step 50: 14847 + 303 = 15150
Step 51: 15150 + 303 = 15453
Step 52: 15453 + 303 = 15756
Step 53: 15756 + 303 = 16059
Step 54: 16059 + 303 = 16362
Step 55: 16362 + 303 = 16665
Step 56: 16665 + 303 = 16968
Step 57: 16968 + 303 = 17271
Step 58: 17271 + 303 = 17574
Step 59: 17574 + 303 = 17877
Step 60: 17877 + 303 = 18180

So, 303*60 = 18180