The task is to generate the correct answer for a given math problem.
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Question: Problem: a train running at the speed of 72 km / hr crosses a pole in 9 seconds . find the length of the train .

Answer: 180 meter

Question: Problem: on a certain road , 10 % of the motorists exceed the posted speed limit and receive speeding tickets , but 20 % of the motorists who exceed the posted speed limit do not receive speeding tickets . what percent of the motorists on that road exceed the posted speed limit ?

Answer: 12.5 %

Question: Problem: a sun is divided among x , y and z in such a way that for each rupee x gets , y gets 45 paisa and z gets 50 paisa . if the share of y is rs . 63 , what is the total amount ?

Answer:
273