How many floors are there in the 140m office building?

140m office building is about 35 floors.

The average height of office buildings is 3.8-4.2 meters. According to the average of 4 meters, the office building of 140 meters is about 35 floors.

Office building is another name for professional commercial office building. Strictly speaking, office buildings can't be used by people. This is clearly indicated on the house property certificate.