这些衣服一共多少钱？

Zhèxiē yīfu yígòng duōshao qián?

How much are these clothes in total?

今天一共上了四节课，我有点累了。

Jīntiān yígòng shàng le sì jié kè, wǒ yǒudiǎn lèi le.

We had a total of four classes today, and I’m a bit tired.

这三本书一共多少钱？

Zhè sān běn shū yígòng duōshao qián?

How much are these three books in total?