4
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What number, when divided by 2, gives the same result as when 2 is subtracted from it?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
4
What number, when divided by 2, gives the same result as when 2 is subtracted from it?
train