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: Seth bought 20 cartons of ice cream and 2 cartons of yogurt . Each carton of ice cream cost $ 6 and each carton of yogurt cost $ 1 . How much more did Seth spend on ice cream than on yogurt ?
Example Output: 118

Example Input: A pet store had 56 puppies . In one day they sold 24 of them and put the rest into cages with 4 in each cage . How many cages did they use ?
Example Output: 8

Example Input: There are 7 dogwood trees currently in the park . Park workers will plant 5 dogwood trees today and 4 dogwood trees tomorrow . It took 8 workers to finish the work . How many dogwood trees will the park have when the workers are finished ?
Example Output:
16