TASK DEFINITION: The task is to generate the correct answer for a given math problem.
PROBLEM: Problem: if 4 xz + yw = 10 and xw + yz = 20 , what is the value of the expression ( 2 x + y ) ( 2 z + w ) ?

SOLUTION: 50 .

PROBLEM: 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 ?

SOLUTION: 600

PROBLEM: Problem: during a given week a programmer spends 1 / 4 of his time preparing flow chart , 3 / 8 of his time coding and the rest of the time in debugging the programs . if he works 48 hours during the week , how many hours did he spend debugging the program .

SOLUTION:
18 hrs