instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: if 4 xz + yw = 10 and xw + yz = 20 , what is the value of the expression ( 2 x + y ) ( 2 z + w ) ?
answer:
50 .


question:
Problem: the total age of a and b is 12 years more than the total age of b and c . c is how many year younger than a
answer:
12


question:
Problem: a man goes to shopkeeper and says that if u give me as much as i have , i will spend rs . 10 / - on ur shop . shopkeeper agrees and man moves to another shopkeeper ans asked same . at 3 rd shop after all the transaction , he was left with no money . find the initial amount with the man
answer:

8.75