Given a question as input, give its short_answer as the output

[EX Q]: 1/4 of a mile is how many feet?
[EX A]: 5,280

[EX Q]: 1/2 gallon how many liters?
[EX A]: 1.89271

[EX Q]: 1 acer equal to how many square feet?
[EX A]:
43560