How many positive three-digit numbers are not multiples of 7?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
How many positive three-digit numbers are not multiples of 7?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
772
How many positive three-digit numbers are not multiples of 7?
train