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.

Example Input: There are 1986 books in Oak Grove 's public library . In addition , there are 5106 books in its school libraries . How many books do the libraries in Oak Grove have overall ?
Example Output: 7092

Example Input: At the beach , Miki and her sister both built sandcastles and then measured their heights . Miki 's sandcastle was 0.8333333333333334 foot tall and her sister 's was 0.5 foot tall . How much taller was Miki 's sandcastle than her sister 's ?
Example Output: 0.3333333333333333

Example Input: Martha has 2 peanuts . Joyce has 26 peanuts . If Joyce gives all of her peanuts to Martha , how many peanuts will Martha have ?
Example Output:
28