How much paint is required to paint walls and including ceilings of a Living Room covering dimensions 9m by 4m, considering there are 1 windows and 2 doors and location is in Basel?

The cost of painting a Living Room with dimensions 9m by 4m, with 1 windows and 2 doors, located in Basel, is CHF 682.00.

*) 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.