Task: Question Answering
Input (English): Question: A hall is 15 m long and 12 m broad. If the sum of the areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is

 Option A: 720

 Option B: 900

 Option C: 1200

 Option D: 1800

 Option E: None
Output (English): Option C