The task is to generate the correct answer for a given math problem.

[Q]: Problem: a car started running at a speed of 30 km / hr and the speed of the car was increased by 2 km / hr at the end of every hour . find the total distance covered by the car in the first 11 hours of the journey .
[A]: 440 km


[Q]: Problem: the average of first 17 even numbers is ?
[A]: 18


[Q]: Problem: buffalo gives 4 liter milk , cow gives ( 1 / 2 ) liter milk and goat gives 1 / 4 liter milk . you have to get 20 liter milk by 20 animals . what is the number of goats ?
[A]:
2