听力原文：

G: I heard China has set up some Confucius Institutes around the world. Why does China set up Confucius Institutes?

B: I think the Chinese want to spread their culture and support the people learning Chinese all over the world.

G: How are they?

B: Confucius Institutes have modern Chinese courses, and they are the most common and most important channel of Chinese teaching. They aim to promote exchanges and fusion between Chinese and international culture, for building a balanced world.

G: When was the world’s first Confucius Institute established?

B: It was established in South Korea, in Seoul, in 2004. 

G: How many Confucius Institutes are there in the world? 

B: There are about 500 Confucius Institutes.

Question: How many Confucius Institutes are there in the world?

参考答案：

About 500.