What is $56.78-43.6?$
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is $56.78-43.6?$
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
13.18
What is $56.78-43.6?$
train