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

Ex Input:
Problem: the sum of two consecutive numbers is 37 . what are they ?

Ex Output:
18 and 19


Ex Input:
Problem: a fair 2 sided coin is flipped 4 times . what is the probability that tails will be the result at least twice , but not more than 4 times ?

Ex Output:
5 / 8


Ex Input:
Problem: a bottle contains a certain solution . in the bottled solution , the ratio of water to soap is 3 : 2 , and the ratio of soap to salt is 4 times this ratio . the solution is poured into an open container , and after some time , the ratio of water to soap in the open container is quartered by water evaporation . at that time , what is the ratio of water to salt in the solution ?

Ex Output:

9 : 16