instruction:
You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.
question:
There are 107 walnut trees currently in the park . Park workers will plant 104 more walnut trees today . How many walnut trees will the park have when the workers are finished ?
answer:
211


question:
There are 115 pencils in the drawer . Sara placed 100 more pencils in the drawer . How many pencils are now there in all ?
answer:
215


question:
Mike had 33 quarters and 87 nickels in his bank . His dad borrowed 75 nickels from Mike . How many nickels does he have now ?
answer:

12