We have $2^6=64$, so $\log_2 64 = \boxed{6}$.
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Evaluate $\log_264$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
6
Evaluate $\log_264$.
test