The total area of the walls 29.15 m²
Square Windows 0.96 m² (1 PCs)
Door size 1.52 m² (1 PCs)
Wall area with view of doors and Windows 26.67 m²
Perimeter 11 m

Square one roll 5 m²
Length cloths 2.8 m
Whole cloths in rolls 3 PCs
The remainder of each roll 1.6 m
The number of cloths on 2.8 m ~18 PCs

Must rolls of wallpaper Total 6 PCs
The remains of 3.33 m² or 0.67 roll