You are given a math word problem and you are supposed to apply multiple mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Input: Consider Input: The number of inquiries the first week was 15 . The number of inquiries in the fourth week was 79 . Find the average rate of change in number of inquiries from the first week to the fourth week , in inquiries per week .

Output: 21.3333


Input: Consider Input: In fourth grade there were 40 students at the start of the year . During the year 14 students left and 26 new students came to school . How many students were in fourth grade at the end ?

Output: 52


Input: Consider Input: Maria was making baggies of cookies with 3 cookies in each bag . If she had 2 chocolate chip cookies and 16 oatmeal cookies , how many baggies could she make ?


Output: 6