A ball with a radius of 7 cm fits exactly inside a cube-shaped box as shown so that the ball touches each side of the box. Calculate the amount of empty space in the box. Answer accurately to the nearest cubic centimetre. [Use p = 3.14.]

Answer asap and if you do you will get brainliest. catherine buys a gallon of ice cream from the store. after taking it home, she eats a fifth of a gallon of ice cream. her sister eats some of the ice cream as well. if two-thirds of the original amount of ice cream is left, then what fraction of a gallon of ice cream did her sister eat?