Task: Question Answering
Input (English): Problem: if henry were to add 8 gallons of water to a tank that is already 3 / 4 full of water, the tank would be 7 / 8 full. how many gallons of water would the tank hold if it were full ?
Options: a. 25, b. 40, c. 64, d. 80, e. 96
Output (English): c