Task: Question Answering
Input (English): Question: If a farmer wants to plough a farm field on time, he must plough 120 hectares a day. For technical reasons he ploughed only 85 hectares a day, hence he had to plough 2 more days than he planned and he still has 40 hectares left. What is the area of the farm field and how many days the farmer planned to work initially?

 Option A: 600

 Option B: 490

 Option C: 720

 Option D: 435

 Option E: 679
Output (English): Option C