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

[EX Q]: Problem: jack and jill are marathon runners . jack can finish a marathon ( 42 km ) in 7 hours and jill can run a marathon in 4.2 hours . what is the ratio of their average running speed ? ( jack : jill )
[EX A]: 5 / 5

[EX Q]: Problem: if the average of 5 x and 8 y is greater than 90 , and x is twice y , what is the least integer value of x ?
[EX A]: 4

[EX Q]: Problem: a card board of size 34 * 14 has to be attached to a wooden box and a total of 35 pins are to be used on the each side of the card box . find the total number of pins used .
[EX A]:
136