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: Lana was unboxing some of her old winter clothes . She found 3 boxes of clothing and inside each box there were 3 scarves and 4 mittens . How many pieces of winter clothing did Lana have total ?
Example Output: 21

Example Input: Cody bought 7 boxes of chocolate candy and 3 boxes of caramel candy . If each box has 8 pieces inside it , how much candy did he have total ?
Example Output: 80

Example Input: While playing a trivia game , George answered 6 questions correct in the first half and 4 questions correct in the second half . If each question was worth 3 points , what was his final score ?
Example Output:
30