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: Ezra drew a white line that was 7.666666666666667 inches long . Then he drew a blue line that was 3.3333333333333335 inches long . How much longer was the white line than the blue line ?
Example Output: 4.333333333333333

Example Input: Lillian collects 88 candies . Lillian 's father gives Lillian 5 more . How many candies does Lillian have ?
Example Output: 93

Example Input: There are 22 walnut trees currently in the park . Park workers will plant walnut trees today . When the workers are finished there will be 55 walnut trees in the park . How many walnut trees did the workers plant today ?
Example Output:
33