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

Ex Input:
Problem: a starts business with rs . 3500 and after 8 months , b joins with a as his partner . after a year , the profit is divided in the ratio 2 : 3 . what is b â € ™ s contribution in the capital ?

Ex Output:
15750


Ex Input:
Problem: a worker is paid a regular rate of rs . 10 for completing a survey . the worker completes 50 surveys per week . for any survey involving the use of her cellphone , she is paid at a rate of that is 30 % higher than her regular rate . if she completed 35 surveys involving the use of her cellphone , how much did she get that week ?

Ex Output:
605


Ex Input:
Problem: the angle between the minute hand and the hour hand of a clock when the time is 9.30 , is

Ex Output:

105 °