10
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Pete thinks of a number. He doubles it, adds 10, multiplies by 4, and ends up with 120. What was his original number?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
10
Pete thinks of a number. He doubles it, adds 10, multiplies by 4, and ends up with 120. What was his original number?
train