instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: the average score of a cricketer in 2 matches is 60 and in other 3 matches is 50 . then find the average score in all the 5 matches ?
answer:
54


question:
Problem: a cycle is bought for rs . 900 and sold for rs . 1080 , find the gain percent ?
answer:
20 %


question:
Problem: the floor of a rectangular room is 18 m long and 12 m wide . the room is surrounded by a veranda of width 2 m on all its sides . the area of the veranda is :
answer:

136 m 2