instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: one night 17 percent of the female officers on a police force were on duty . if 204 police officers were on duty that night and half of these were female officers , how many female officers were on the police force ?
answer:
600

question:
Problem: a and b together can complete work in 6 days . a alone starts working and leaves it after working for 4 days completing only half of the work . in how many days it can be completed if the remaining job is undertaken by b ?
answer:
12

question:
Problem: on dividing 109 by a number , the quotient is 9 and the remainder is 1 . find the divisor ?
answer:
12