# Basement Main area: 271" x 176" = 331 sq ft Foot of stairs: 40" x 50" = 14 sq ft Tiled area: 36" x 93" = 23 sq ft 331 + 14 - 23 = 322 sq ft 322 / 21 = 15.3333 boxes # Boys room Main area: 150” x 186” = 193 sq ft Closet: 50” x 66” = 23 sq ft Total: 193 + 23 = 216 sq ft # Nursery room Main area: 154” x 143” = 153 sq ft Closet: 24” x 60” = 10 sq ft Total: 153 + 10 = 163 sq ft 163 / 20.49 = 7.9551 boxes # Nursey + boys 163 + 216 = 379 sq ft 379 / 20.49 = 18.4968 boxes We need 306” of big brown bamboo quarter round