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:
Sally grew 6 carrots . Fred grew 4 carrots . How many carrots did they grow in all ?

Ex Output:
10


Ex Input:
There is 0.16666666666666666 cup of oil in Scarlett 's measuring cup . If Scarlett adds 0.6666666666666666 cup more , how much oil will be in the measuring cup ?

Ex Output:
0.8333333333333334


Ex Input:
Mary is baking a cake . The recipe wants 8 cups of flour . She already put in 2 cups . How many cups does she need to add ?

Ex Output:

6