合共

liǎng gè bān hé gòng bā shí gè rén

两个班合共八十个人。

The two classes have altogether 80 students.

wǒ men jiào yán shì hé gòng shí gè rén

我们教研室合共十个人。

There are ten people in our teaching and research section.

gōng yuán nèi de shù mù guàn mù pān yuán hé guān yè zhí wù hé gòng chāo qī bǎi lèi pǐn zhǒng

公园内的树木、灌木、攀缘和观叶植物合共超七百类品种。

More than 700 species of trees, shrubs, creepers and foliage plants are featured.