You are given a math word problem and you are supposed to apply a single mathematical operator like addition, subtraction, multiplication, or division on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Example Input: there are 336 students in a school . if the school has 7 grades and each grade had the same number of students how many students were in each grade ?
Example Output: 48

Example Input: paul spent $ 75 . now he has $ 11 . what 's the difference between the number of dollars that he spent and he has now ?
Example Output: 64

Example Input: a box can hold 18 pieces of chalk . if there are 3484 pieces of chalk how many boxes are full to hold all the chalk ?
Example Output:
193.55555555555557

