680
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Compute: $(17+10)^2-(17-10)^2$.
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
680
Compute: $(17+10)^2-(17-10)^2$.
train