the sale price sarees listed for rs . 400 after successive discount is 30 % and 20 % is ?
"400 * ( 70 / 100 ) * ( 80 / 100 ) = 224 answer : e"
subtract(subtract(400, divide(multiply(400, 30), const_100)), divide(multiply(subtract(400, divide(multiply(400, 30), const_100)), 20), const_100))