Nàfú huà yǐ liǎngqiānwǔbǎiwàn měiyuán de jiàgé chéngjiao.
That painting sold for 25 million US dollars.
Tips
grammar
Chinese numbers above 10,000 use 万 (10,000) as a base unit. 两千五百万 = 2,500 × 万 (10,000) = 25,000,000. Note: 两 is used instead of 二 before measure words and large units like 千 and 万.
