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:
While making pastries , a bakery used 0.2 bag of wheat flour and 0.1 bag of white flour . How many bags of flour did the bakery use in all ?

Ex Output:
0.3


Ex Input:
For Halloween Sarah received 66 pieces of candy from neighbors and 15 pieces from her older sister . If she only ate 9 pieces a day , how long would the candy last her ?

Ex Output:
9


Ex Input:
While playing a video game , Paul scored 3103 points . He and his cousin together have a total of 5816 points . How many points does Paul 's cousin have ?

Ex Output:

2713