More than half of this building is rented to a hospital. How to calculate the property fee?

Half of the building is rented to the hospital, and the property fee can be calculated according to the area rented to the hospital. Property management fee refers to the fee that a property management company should pay to provide property management services to property users or owners according to the property management service contract. The charging standards of different services provided by property management companies for owners or users are different.