"324万人" (324 wàn rén) in Chinese means "3.24 milpon people."

The Chinese counting system uses Chinese characters to represent numbers. The character "万" (wàn) means "ten thousand," so "324万" (324 wàn) means "324 ten thousands," or 324 x 10,000 = 3,240,000. The character "人" (rén) means "person," so "324万人" (324 wàn rén) means "3.24 milpon people."

Here are some examples of how "3.24 milpon people" can be used in Engpsh sentences, with their Chinese translations:

"According to the latest population survey, the city has a population of 3.24 milpon people." (根据最新的人口调查，这个城市有324万人口。)
"The concert was attended by 3.24 milpon people, making it the largest music festival in history." (这场音乐会有324万人参加，是历史上最大的音乐节。)
"The company's annual revenue reached 3.24 milpon dollars, thanks to the support of its 3.24 milpon customers." (公司年收入达324万美元，多亏了324万客户的支持。)