What is the last nonzero digit to the right of the decimal point in the decimal expansion of $\frac{141}{400}$?
<|im_start|>system
You are a helpful assistant.<|im_end|>
<|im_start|>user
What is the last nonzero digit to the right of the decimal point in the decimal expansion of $\frac{141}{400}$?
Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
<|im_start|>assistant

user
5
What is the last nonzero digit to the right of the decimal point in the decimal expansion of $\frac{141}{400}$?
train