35
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Find $(21 \div (6 + 1 - 4)) \cdot 5.$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
35
Find $(21 \div (6 + 1 - 4)) \cdot 5.$
train