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

[EX Q]: Problem: after decreasing 24 % in the price of an article costs rs . 684 . find the actual cost of an article ?
[EX A]: 900

[EX Q]: Problem: a train running at the speed of 72 km / hr crosses a pole in 9 seconds . find the length of the train .
[EX A]: 180 meter

[EX Q]: Problem: a retailer bought a machine at a wholesale price of $ 108 and later on sold it after a 10 % discount of the retail price . if the retailer made a profit equivalent to 20 % of the whole price , what is the retail price of the machine ?
[EX A]:
14