Evaluate $\log_{\sqrt8}(64\sqrt{8})$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Evaluate $\log_{\sqrt8}(64\sqrt{8})$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
5
Evaluate $\log_{\sqrt8}(64\sqrt{8})$.
train