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: In fourth grade there were 4 students at the start of the year . During the year 3 students left and 42 new students came to school . How many students were in fourth grade at the end ?
Example Output: 43

Example Input: Melanie had 10 quarters and 17 pennies in her bank . Her dad gave her 27 pennies and her mother gave her 19 pennies . How many pennies does Melanie have now ?
Example Output: 63

Example Input: A trivia team had 7 members total , but during a game 2 members did n't show up . If each member that did show up scored 4 points , how many points were scored total ?
Example Output:
20