What is the largest multiple of 37 which is less than 800?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the largest multiple of 37 which is less than 800?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
777
What is the largest multiple of 37 which is less than 800?
train