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

Input: Consider Input: Problem: a train 800 m long can cross a pole in 10 sec and then find the speed of the train ?

Output: 28


Input: Consider Input: Problem: paul ' s income is 40 % less than rex ' s income , quentin ' s income is 20 % less than paul ' s income , and sam ' s income is 40 % less than paul ' s income . if rex gave 60 % of his income to sam and 40 % of his income to quentin , quentin ' s new income would be what fraction of sam ' s new income ?

Output: 11 / 12


Input: Consider Input: Problem: in the first 20 overs of a cricket game , the run rate was only 4.8 . what should be the run rate in the remaining 30 overs to reach the target of 302 runs ?


Output: 6.87