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

[EX Q]: Problem: a 10 % stock yields 8 % . the market value of the stock is :
[EX A]: rs . 125

[EX Q]: Problem: a train 800 m long can cross a pole in 10 sec and then find the speed of the train ?
[EX A]: 28

[EX Q]: Problem: tim came second in math . when his mother asked him how much he had scored , he answered that he got the sum of the first 12 even numbers . his mother immediately worked out the answer . how much had he scored in math ?
[EX A]:
156