A 32.5-g cube of aluminum initially at 45.8 degree C is submerged in 105.3-g of water at 15.4 degree C. What is the final temperature of both

A 32.5-g cube of aluminum initially at 45.8 degree C is submerged in 105.3-g of water at 15.4 degree C.  What is the final temperature of both substances at thermal equilibrium? (Assume that the aluminum and the water are thermally isolated from everything else.)