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

Input: Consider Input: Norma has 88 cards . She loses 70 . How many cards will Norma have ?

Output: 18


Input: Consider Input: On Saturday , Sara spent $ 10.62 each on 2 tickets to a movie theater . Sara also rented a movie for $ 1.59 , and bought a movie for $ 13.95 . How much money in total did Sara spend on movies ?

Output: 36.78


Input: Consider Input: Sara has 10 marbles . She loses 7 . How many marbles will Sara have ?


Output: 3