Traditional Culture Encyclopedia - Hotel franchise - How to write the house number of the apartment?

How to write the house number of the apartment?

Apartment floors and rooms are written. The house number of the apartment is numbered according to the apartment floor or room. The first room is No. 1, and the last room is No. 30. This is based on the entire apartment building, which has 30 rooms. The last number is It is No. 30, there are more rooms, and the last side number is the total number of rooms.