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: susie 's mother collected all family pictures and wanted to place all of them in an album . if an album can contain 20 pictures how many albums will she need if there are 480 pictures ?
Example Output: 24

Example Input: andrew is having his friends over for game night . so he decided to prepare the snacks and the games . he started by making mini sandwiches . if he has 4 friends coming over and he made 3 sandwiches for each one of them how many sandwiches did he make in total ?
Example Output: 12

Example Input: jane helped her mom prepare fresh lemonade . if each glass needs 2 lemons how many glasses of fresh lemonade can she make if they have 18 lemons ?
Example Output:
9