Question: Suppose Xiaoming initially has 200,000 shares of Tesla. From April 1st to April 30th, 2025, if the daily trading volume of Tesla is less than 80 million shares, he buys 10,000 shares; if the daily trading volume is more than 120 million shares, he sells 10,000 shares. How many shares of Tesla does Xiaoming have after April 30th?
Answer: "70,000 shares"