Answer:
There are a lot of possible answers to this question. One would just be
first blank: 8
second blank: 4
Third blank: 1
Explanation:
Basically mix and match numbers that would give you the same answer.
some other combinations:
9,0,1
7,8,1
6,12,1
5,16,1
4,20,1
3,24,1
2,28,1
1,32,1
( I think you could see a pattern here). If you want to change the last number, all you need to do is take some from the first blank