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

Input: Consider Input: Brennan had 0.25 grams of pepper . Then he used 0.16 grams of the pepper to make some scrambled eggs . How much pepper does Brennan have ?

Output: 0.09


Input: Consider Input: 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 ?

Output: 9


Input: Consider Input: Ruth starts with 89 apples . She shares 5 with Peter . How many apples does Ruth end with ?


Output: 84