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

Example Input: Problem: during a car trip , maria stopped to rest after she traveled 1 / 2 of the total distance to her destination . she stopped again after she traveled 1 / 4 of the distance remaining between her first stop and her destination , and then she drove the remaining 135 miles to her detination . what was the total distance , in miles from maria ' s starting point to her destination ?
Example Output: 360

Example Input: Problem: a theater box office sold an average ( arithmetic mean ) of 65 tickets per staff member to a particular movie . among the daytime staff , the average number sold per member was 75 , and among the evening staff , the average number sold was 60 . if there are no other employees , what was the ratio of the number of daytime staff members to the number of evening staff members ?
Example Output: 1 : 2

Example Input: Problem: the difference between simple interest and compound interest on rs . 1200 for one year at 10 % per annum reckoned half yearly is
Example Output:
7