example:
file 1
3,3
2,1,2
3,1,0
1,1,1
file 2
3,3
2,2,2
2,2,2
2,2,2
yes i can do the addition part
the answer will be
4,3,4
5,3,2
3,3,3
but when the multiplication part it shows the answer is
4,2,4
6,2,0
2,2,2
which the answer should be
10,10,10
8,8,8
6,6,6