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

[EX Q]: Problem: two trains each 120 m in length each , are running on two parallel lines in opposite directions . if one goes at the speed of 85 km / h while the other travels at 65 km / h . how long will it take for them to pass each other completely .
[EX A]: 10.07 sec

[EX Q]: Problem: if a speaks the truth 40 % of the times , b speaks the truth 80 % of the times . what is the probability that at least one will tell the truth
[EX A]: 0.12

[EX Q]: Problem: a car gets 40 kilometers per gallon of gasoline . how many gallons of gasoline would the car need to travel 120 kilometers ?
[EX A]:
3