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: there are 3 more sections that are undeveloped . each of the remaining sections has a land area of 2435 square feet . what is the total area of the undeveloped land ?
Example Output: 7305

Example Input: victor bought several boxes of books at a yard sale and ended up with 24 books total . if each box had 3 books how many boxes did he buy ?
Example Output: 8

Example Input: olivia was collecting cans for recycling . she had 4 bags with 5 cans inside each bag . how many cans did she have ?
Example Output:
20