Well, darling, 13 goes into 31 a grand total of 2 times with a remainder of 5. So, you can fit 13 into 31 twice, but there's a little leftover change hanging around. Hope that clears things up for you, sugar!
Seven times.
13 times.
372/31 = 12
0.155 times
31 times.
120 times
1.9375 times.
2.4839 times.
31 times.
Seven times.
28 times
31 goes into 128 approximately 4.129032 times.