if each edge of cube increased by 30 % , the percentage increase in
"100 × ( 130 ) / 100 × ( 130 ) / 100 = 169 = > 69 % answer is a ."
multiply(const_100, divide(subtract(power(add(const_100, 30), const_3), power(const_100, const_3)), power(const_100, const_3)))