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

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
0.12

Problem: in traveling from a dormitory to a certain city , a student went 1 / 5 of the way by foot , 2 / 3 of the way by bus , and the remaining 10 kilometers by car . what is the distance , in kilometers , from the dormitory to the city ?
62

Problem: what is value of ( p + q ) / ( p - q ) if p / q = 7 ?

4 / 3