divide m^2 n^2/p^3 by mp/n^2
\(\frac{m^{2}n^{2}}{p^{3}} \div \frac{mp}{n^{2}}\)\(\frac{m^{2}n^{2}}{p^{3}} \times \frac{n^{2}}{mp}\)\(\frac{m^{2}n^{4}}{mp^{4}}\)\(\frac{mn^{4}}{p^{4}}\)
