If \(A =

\begin{pmatrix}
3 & 11 & 6 \\
-2 & 7 & 5 \\
9 & -1 & -3 \\
1 & 0 & 2

\end{pmatrix}\) and
\(B =
\begin{pmatrix}
1 & -4 \\
3 & 2 \\
5 & 9
\end{pmatrix}\) , find \(AB\).

**Note:**

If your answer is \(AB =

\begin{pmatrix}
a & b \\
c & d \\
e & f \\
g & h

\end{pmatrix}\), give your answer as \(a+b+c+d+e+f+g+h\).

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