Task: Question Answering
Input (English): Problem: find the volume & curved surface area of a cylinder with diameter of base 14 cm and height 60 cm.
Options: ['a. 260 cm 2', 'b. 2610 cm 2', 'c. 2600 cm 2', 'd. 2640 cm 2', 'e. 264 cm 2']
Output (English): d