600
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
How much greater than $19^2$ is $31^2$ ?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
600
How much greater than $19^2$ is $31^2$ ?
train