Suppose you fill the cone with water and empty the water into the cylinder. how many times will you empty the water from the cone into the cylinder.
cylinder volume / cone volume = # times
(pi r^2 h ) / [ 1/3 (pi r^2 h) ]
(pi 4^2 * 3) / ( 1/3 ( pi 4^2 * 3) = # times = ........