Matrices & Systems · Medium problem

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