one - third less than 40 % of 180 is equal to :
"lots of ways to tackle this . 40 % of 180 = 72 1 / 3 of 72 = 24 so , 1 / 3 less than 72 is equal to 72 - 24 = 48 answer : e"
subtract(multiply(divide(40, const_100), 180), multiply(divide(const_1, const_3), multiply(divide(40, const_100), 180)))