If m% is m/100, then it is basically m/100 * n.
That would become mn/100.
Which is..
mn%.
Then for the part for m%*p%*n, you would do
M/100 * p/100 * n
=
mpn/100000.
It could be wrong, because i have not learned this before. But i am only using the methods i know to solve the problem. Good luck