1.23
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is $2.43-1.2$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
1.23
What is $2.43-1.2$?
train