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

Example Input: April 's discount flowers was having a sale where each rose was 7 dollars . If April started with 9 roses and had 4 roses left , how much money did she earn ?
Example Output: 35

Example Input: While playing a trivia game , Adam answered 5 questions correct in the first half and 5 questions correct in the second half . If each question was worth 5 points , what was his final score ?
Example Output: 50

Example Input: A magician was selling magic card decks for 7 dollars each . If he started with 16 decks and by the end of the day he had 8 left , how much money did he earn ?
Example Output:
56