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.

Ex Input:
Jason went to the mall on Saturday to buy clothes . He spent $ 14.28 on shorts and $ 4.74 on a jacket . In total , how much money did Jason spend on clothing ?

Ex Output:
19.02


Ex Input:
Sam grew 4 watermelons , but the rabbits ate 3 watermelons . How many watermelons does Sam have left ?

Ex Output:
1


Ex Input:
Joan had 695 Pokemon cards , and 6 were torn . Sara bought 133 of Joan 's Pokemon cards . How many Pokemon cards does Joan have now ?

Ex Output:

562