1
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Evaluate: $(723)(723)-(722)(724)$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
1
Evaluate: $(723)(723)-(722)(724)$.
train