jmc

First, let us consider the case where $0$ is a base: This would result in the entire expression being $0.$ Contrastingly, if $0$ is an exponent, we will get a value greater than $0.$ $3^2\times 2^0=9$ is greater than $2^3\times 2^0=8$ and $2^2\times 3^0=4.$ Therefore, the answer is $\boxed{9}.$