#5 AREA OF 4 WALLS

DECLARE SU AREA (L,B,H)
CLS
INPUT "ENTER LENGTH";L
INPUT "ENTER BREADTH";B
INPUT "ENTER HEIGHT"H
CALL AREA (L,B,H)
END

SUB AREA (L,B,H)
A = 2 * H * ( L + B )
PRINT "AREA OF 4 WALLS";A
END SUB