Oh, dude, you're really making me do math right now? Okay, fine, let me put on my thinking cap... calculates in head... Alright, so 15 goes into 54 like 3.6 times, but since we can't have a fraction of a time, it goes in there a solid 3 times. Math wizard, right here!
54 can go into 54 once, with remainder 4.
54
54 goes into 8100 150 times.
18.03 times.... 974/54 = 18.037...
18
54 ÷ 4 = 13 remainder 2
41
18 times.
54 times
0.8308 times.
54 times.