For
\[\mathbf{A} = \begin{pmatrix} 2 & 7 \\ 13 & -2 \end{pmatrix},\]compute $(\mathbf{A}^{-1})^{-1}.$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
For
\[\mathbf{A} = \begin{pmatrix} 2 & 7 \\ 13 & -2 \end{pmatrix},\]compute $(\mathbf{A}^{-1})^{-1}.$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\begin{pmatrix} 2 & 7 \\ 13 & -2 \end{pmatrix}
For
\[\mathbf{A} = \begin{pmatrix} 2 & 7 \\ 13 & -2 \end{pmatrix},\]compute $(\mathbf{A}^{-1})^{-1}.$
train