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 Q]: There are 5 oak trees currently in the park . Park workers will plant 4 more oak trees today . How many oak trees will the park have when the workers are finished ?
[EX A]: 9

[EX Q]: A car company produced 3884 cars in North America and 2871 cars in Europe . How many cars is that in all ?
[EX A]: 6755

[EX Q]: Mike picked 123 oranges and Melanie picked 104 oranges . Fred picked 130 apples . How many oranges were picked in total ?
[EX A]:
227