if the radius of a cylinder is made 3 times and so is the height , what is the new volume of the cylinder divided by the old one ?
"let v and v ' be the original and the changed volume now v = pir ^ 2 h v ' = pi ( 3 r ) ^ 2 ( 3 h ) v ' = 27 v a ) 27"
add(multiply(3, const_4), multiply(3, const_2))