你懂说多少种语言?

Nǐ dǒng shuō duōshǎo zhǒng yǔyán?

How many languages do you speak?

一年有多少天?

Yì nián yǒu duōshǎo tiān?

One year has how many days?

你家有多少人？

Nǐ jiā yǒu duōshao rén?

How many people are in your family?