instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a , b and c rents a pasture for rs . 730 . a put in 12 horses for 8 months , b 16 horses for 9 months and 18 horses for 6 months . how much should c pay ?
answer:
22


question:
Problem: if | x - 9 | = 3 x , then x = ?
answer:
- 4.


question:
Problem: a train crosses a bridge of length 200 m in 10 seconds and a lamp post on the bridge in 5 seconds . what is the length of the train in metres ?
answer:

200 m