很多 + 楼房
楼房 (lóufáng) means "multi-story building" or "storied building" and is used as a noun. It specifically refers to buildings with more than one floor, distinguishing them from single-story structures (平房).
这条街上新建了好几栋楼房。
Zhè tiáo jiē shàng xīn jiàn le hǎo jǐ dòng lóufáng.
Several new buildings have been built on this street.
小时候我们村里没有楼房,都是平房。
Xiǎo shíhòu wǒmen cūn lǐ méiyǒu lóufáng, dōu shì píngfáng.
When I was little, there were no multi-story buildings in our village — they were all single-story houses.
远处那排楼房的设计很有特色。
Yuǎnchù nà pái lóufáng de shèjì hěn yǒu tèsè.
The row of buildings in the distance has a very distinctive design.