solution: We can rewrite $\frac{137}{500}$ in the form $\frac{274}{1000}$, so $\frac{137}{500} = \frac{274}{1000} = 0.274$ and the last nonzero digit is $\boxed{4}$.
prompt.content: <|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 $\frac{137}{500}$?
  Please reason step by step, and put your final answer within \boxed{{}}.<|im_end|>
  <|im_start|>assistant
  
prompt.role: user
extra_info.answer: 4
extra_info.question: What is the last nonzero digit to the right of the decimal point in the decimal expansion of $\frac{137}{500}$?
extra_info.split: test