instruction:
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.
question:
There are 22 orchid bushes and 40 orange trees currently in the park . Park workers will plant 13 orchid bushes today . How many orchid bushes will the park have when the workers are finished ?
answer:
35


question:
Charles has 4 apples . Jessica gives Charles 39 more . How many apples does Charles have in all ?
answer:
43


question:
Tom went to 4 hockey games this year , but missed 7 . He went to 9 games last year . How many hockey games did Tom go to in all ?
answer:

13