Matrices & Systems · Medium problem

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