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: Fred had 7 dimes in his bank . His sister borrowed 3 of his dimes . How many dimes does Fred have now ?
Example Output: 4

Example Input: Melissa has 70 oranges . John takes 19 away . How many oranges will Melissa have ?
Example Output: 51

Example Input: A farmer started the day with 8.75 buckets of seeds . After spending the morning sowing seeds , she now has 6 buckets . How many buckets of seeds did the farmer sow ?
Example Output:
2.75