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: Victor was helping the cafeteria workers pick up lunch trays , but he could only carry 7 trays at a time . If he had to pick up 23 trays from one table and 5 trays from another , how many trips will he make ?
Example Output: 4

Example Input: There were 2 friends playing a video game online when 2 more players joined the game . If each player had 6 lives , how many lives did they have total ?
Example Output: 24

Example Input: A pet store has 9 bird cages . If each cage has 2 parrots and 2 parakeets in it , how many birds does the pet store have total ?
Example Output:
36