If $\mathbf{A}$ is a $2 \times 2$ matrix such that $\det \mathbf{A} = 2,$ then find $\det (\mathbf{-3A}).$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
If $\mathbf{A}$ is a $2 \times 2$ matrix such that $\det \mathbf{A} = 2,$ then find $\det (\mathbf{-3A}).$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
18
If $\mathbf{A}$ is a $2 \times 2$ matrix such that $\det \mathbf{A} = 2,$ then find $\det (\mathbf{-3A}).$
train