It is so very simple and quick to get the answer, especially since, if you need it, you can use the calculator that comes with your computer. But since you are obviously not able to do so, the answer is 64.
64
3375
15
No - 3,375 divided by 2 is 1,687.5
30.8571
9
216
3
0.0185
4
31 divided dy 216 = 0.14351851851851852
54
9.8182