How many times does the digit 6 appear in the list of all integers from 1 to 100?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
How many times does the digit 6 appear in the list of all integers from 1 to 100?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
20
How many times does the digit 6 appear in the list of all integers from 1 to 100?
train