remember
\(\frac{xyz}{abc}=( \frac{x}{a} )( \frac{y}{b} )( \frac{z}{c} )\)
and
\(\frac{x^m}{x^n}=x^{m-n}\)
split them to have same bases
\(\frac{12^32^24^4}{4^32^112^2}=\)
\(( \frac{12^3}{12^2} )( \frac{4^4}{4^3} )( \frac{2^2}{2^1} )=\)
\((12^1)(4^1)(2^1)=\)
\((12)(4)(2)=\)
\(96\)
