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: On 3 consecutive passes , a football team gain 7 yards , loses 31 yards , gains 24 yards . What number represents the total net net yardage ?
Example Output: 0

Example Input: Nancy uploaded 51 pictures to Facebook . She put 11 pics into one album and put the rest into 8 different albums . How many pictures were in each album ?
Example Output: 5

Example Input: There were 11 friends playing a video game online when 5 players quit . If each player left had 5 lives , how many lives did they have total ?
Example Output:
30