Task: Question Answering
Input (English): Problem: oil cans x and y are right circular cylinders and the height and radius of y are each 4 times those of x. if the oil in can x filled to capacity sells for $ 2, how much does the oil in y sell for if y is only half filled ?
Options: a. $ 60, b. $ 52, c. $ 63, d. $ 64, e. $ 68
Output (English): d