2001 Gauss 7 Problem 14

In the square shown, the numbers in each row, column, and diagonal multiply to give the same result. The sum of the two missing numbers is

\begin{array}{|c|c|c|}\hline 12 & 1 & 18 \\ \hline 9 & 6 & 4 \\ \hline & & 3 \\ \hline\end{array}

\textbf{(A)}\ 28\quad \textbf{(B)}\ 15\quad \textbf{(C)}\ 30\quad \textbf{(D)}\ 38\quad \textbf{(E)}\ 72

If there are no answer choices shown, enter a numerical answer.

Full credit to this problem is given to the CEMC, you may view all Gauss contests here.