instruction:
You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.
question:
After the price of petroleum oil went up by 10 % , a consumer reduced his oil consumption by the same percent . By what percent would his petroleum bill be changed ?
answer:
1


question:
April 's discount flowers was having a sale where each rose was 4 dollars . If April started with 13 roses and had 4 roses left , how much money did she earn ?
answer:
36


question:
There are 9 students in the class and 81 tickets . If the tickets are divided equally among the students , how many does each student get ?
answer:

9