Matrices & Systems · Medium problem

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