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

Example Input: Robin has 27 packages of gum . There are 18 pieces in each package . How many pieces of gum does Robin have ?
Example Output: 486

Example Input: Craig starts with 5 Skittles . 2 are eaten by a hippopotamus . How many Skittles does Craig end with ?
Example Output: 3

Example Input: Each CD rack holds 8 CDs . A shelf can hold 4 racks . How many total CDs can fit on the shelf ?
Example Output:
32