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

Input: Consider Input: Problem: a worker is paid a regular rate of rs . 30 for completing a survey . the worker completes 100 surveys per week . for any survey involving the use of her cellphone , she is paid at a rate of that is 20 % higher than her regular rate . if she completed 50 surveys involving the use of her cellphone , how much did she get that week ?

Output: 330

Input: Consider Input: Problem: if the sides of a cube are in the ratio 5 : 3 . what is the ratio of their diagonals ?

Output: 5 : 3'

Input: Consider Input: Problem: a jogger running at 9 kmph along side a railway track is 260 metres ahead of the engine of a 120 metre long train running at 45 kmph in the same direction . in how much time will the train pass the jogger ?
Output: 38 sec