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.
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Question: There are 4 walnut trees currently in the park . Park workers will plant 6 more walnut trees today . How many walnut trees will the park have when the workers are finished ?

Answer: 10


Question: A book store had 4 books in the bargin bin . If they sold 3 books , but then put 10 more in the bin , how many books would be in the bin ?

Answer: 11


Question: A store had 31 oranges in a bin . If they threw away 9 of the old ones and put 38 new ones in the bin how many would be in the bin ?

Answer:
60