A standard showerhead in Andrew's house dispenses 8 gallons of water per minute. Andrew changed this showerhead to an energy-saving one. The equation shows the amount of water dispensed, y, as a function of the number of minutes, x, for the new showerhead.

y = 3x

How much water does Andrew save each day with the change in showerheads if he uses the shower for 8 minutes each day?

A) 5 gallons
B) 16 gallons
C) 24 gallons
D) 40 gallons