64
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the value of the expression $5^3 - 3 \times 5^2 + 3 \times 5 - 1$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
64
What is the value of the expression $5^3 - 3 \times 5^2 + 3 \times 5 - 1$?
train