You are given a math word problem and you are supposed to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Example Input: There were 8 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: 60

Example Input: Tom found 15 seashells and Fred found 43 seashells on the beach . When they cleaned them , they discovered that 29 were cracked . How many seashells did they find together ?
Example Output: 58

Example Input: Isabella ’ s hair is 18 inches long . If she gets a haircut and now her hair is 9 inches long , how much of Isabella ’ s hair got cut off ?
Example Output:
9