What is the total area of the first floor of a three-star hotel?

The standard room area of a general hotel is about 24, and the suite area is slightly larger than 40. You need to estimate the common parts of each floor (aisle, pipe room, elevator room, service room, fire stairs,

facility house

The approximate area, plus the hall and other ancillary departments (catering, shopping malls, etc. ), if there is only a room, at least 1000 square meters.