??? 4 walls??, walls + seeling??? floor 2 ???
wi dont yu sae 10 ft insted av 10ft 1 inch...wot cha want area for???
if gonna paent it, yu alwaes gotta get xtra paent, so dont want exakt area
walls:10ft bi 8 ft=80 sq ft eech* 4 wals=320 ft sq
seeling=10bi 10 =100 ftsq
if kount floor: same as seeling