Task: Question Answering
Input (English): Problem: to asphalt 1 km road, 30 men spent 12 days working 8 hours per day. how many days, 20 men will spend to asphalt a road of 2 km working 8 hours a day ?
Options: a. 40, b. 36, c. 42, d. 44, e. 46
Output (English): b