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

[Q]: Problem: find the cost of fencing around a circular field of diameter 16 m at the rate of rs . 3 a meter ?
[A]: 150.84


[Q]: Problem: if sharon ' s weekly salary increased by 16 percent , she would earn $ 348 per week . if instead , her weekly salary were to increase by 15 percent , how much would she earn per week ?
[A]: $ 345


[Q]: Problem: a bag has 9 green balls and 23 pink balls . how many green balls should be added to the bag so that the ratio of green balls and pink balls in the bag becomes 1 : 1 ?
[A]:
1