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: Lemon heads come in packages of 6 . Louis ate 54 Lemon Heads . How many whole boxes did he eat and how many Lemon Heads does he have left ?
Example Output: 9

Example Input: In one year , for the election for president there were 76.7 million voters , whereas in the next year there were 129.9 million voters . Find the percentage change in the number of voters ?
Example Output: 69.4

Example Input: If Bob can make 100 feet of rope in 2 hours and Tim can make 75 feet of rope in 2 hours , how many feet of rope can Bob and Tim working together make in 4 hours ?
Example Output:
350