Matrices & Systems · Medium problem

Let $A = \begin{pmatrix}-2 & 2 & 3 \\ 0 & 4 & -3\end{pmatrix}$ and $B = \begin{pmatrix}0 & 3 \\ 1 & 0 \\ 2 & 3\end{pmatrix}$. Find the entry in row $1$, column $1$ of $AB$.