instruction:
The task is to generate the correct answer for a given math problem.
question:
Problem: a train running at the speed of 40 km / hr crosses a pole in 9 seconds . what is the length of the train ?
answer:
100 meter


question:
Problem: a car gets 24 miles to the gallon . if it is modified to use a solar panel , it will use only 75 percent as much fuel as it does now . if the fuel tank holds 12 gallons , how many more miles will the car be able to travel , per full tank of fuel , after it has been modified ?
answer:
96


question:
Problem: the sum of ages of 5 children born 1 years different each is 30 years . what is the age of the elder child ?
answer:

8


