how many bricks , each measuring 25 cm x 11.25 cm x 6 cm , will be needed to build a wall of 7 m x 6 m x 22.5 cm ?
"number of bricks = volume of wall / volume of bricks = 700 x 600 x 22.5 / 25 x 11.25 x 6 = = 5600 answer : c"
divide(multiply(multiply(multiply(7, const_100), multiply(6, const_100)), 22.5), multiply(multiply(25, 11.25), 6))