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.

Example Input: Julian is writing a comic book . His story has 143 frames in all . If he wants to put exactly 11 frames on each page , how many pages would he have ?
Example Output: 13

Example Input: 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 ?
Example Output: 1

Example Input: A restaurant sold 49 hamburgers last week . How many hamburgers on average were sold each day ?
Example Output:
7