Zach keeps his pet chameleon Pinky in a terrarium with the dimensions shown below. There's sand in the bottom of the terrarium that reaches a height of 8888 centimeters. Zach gets a new terrarium for Pinky that is larger. The base of the new terrarium is 25252525 by 64646464 centimeters. Zach moved the existing sand to the new terrarium. How deep will the sand be in the new terrarium?