\$180
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
Ivan rents a car for $\$$25 a day and $\$$0.20 a mile. If he rents it for 4 days and drives it 400 miles, how many dollars does he pay?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
\$180
Ivan rents a car for $\$$25 a day and $\$$0.20 a mile. If he rents it for 4 days and drives it 400 miles, how many dollars does he pay?
train