if each edge of cube increased by 20 % , the percentage increase in
"100 × ( 120 ) / 100 × ( 120 ) / 100 = 144 = > 44 % answer is b ."
multiply(const_100, divide(subtract(power(add(const_100, 20), const_3), power(const_100, const_3)), power(const_100, const_3)))