Correct

楼层

/ lóucéng / 
Strokes

Definition

story/floor

Example

As a Noun

storey; floor

1
Měigè
每个
lóucéng
楼层
dōu
都
yīngyǒu
应有
xiāohuǒshuān
消火栓
  
。

Every floor should be equipped with a fire hydrant.