find the surface area of a cuboid 12 m long , 14 m broad and 7 m high
explanation : surface area = [ 2 ( 12 x 14 + 14 x 7 + 12 x 7 ) ] cm 2 = ( 2 x 350 ) cm 2 = 700 cm 2 . answer : c
multiply(const_2, add(add(multiply(12, 14), multiply(12, 7)), multiply(14, 7)))