by how much is 3 - fifth of 390 greater than 4 - seventh of 210 ?
explanation : 3 / 5 of 390 - 4 / 7 of 210 = 234 - 120 = 114 . answer : d
subtract(multiply(divide(3, add(const_2, const_3)), 390), multiply(divide(4, add(const_3, const_4)), 210))