Task: Question Answering
Input (English): Problem: the total cost of a vacation was divided among 3 people. if the total cost of the vacation had been divided equally among 4 people, the cost per person would have been $ 60 less. what was the total cost cost of the vacation ?
Options: a. $ 200, b. $ 300, c. $ 400, d. $ 720, e. $ 600
Output (English): d