You are given a math word problem and you are supposed to apply multiple mathematical operators 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: The school cafeteria had 12 apples . If they used 8 to make lunch for the students and then bought 19 more , how many apples would they have ?
Example Output: 23

Example Input: Bianca picked 23 carrots from her garden . If she threw out 10 of them and then picked 47 more the next day , how many carrots would she have total ?
Example Output: 60

Example Input: A tennis racket that regularly sells for 135 dollars is on sale for 25 % off the regular price . What is the sale price , in dollars ?
Example Output:
101.25