How much paint is required to paint walls and including ceilings of a Living Room covering dimensions 4m by 7m, considering there are 1 windows and 1 doors and location is in Lugano?

The cost of painting a Living Room with dimensions 4m by 7m, with 1 windows and 1 doors, located in Lugano, is CHF 436.00.

*) The calculations are approximate, based on a room height of 2.4m, and include one coat of paint. The price covers only the labor, excluding any services or materials.