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.

Ex Input:
Lillian collects 88 candies . Lillian 's father gives Lillian 5 more . How many candies does Lillian have ?

Ex Output:
93


Ex Input:
Mike has 8 orange marbles , he gave Sam 4 of the marbles . How many orange marbles does he now have ?

Ex Output:
4


Ex Input:
Shirley sold 20 boxes of Do - Si - Dos . How many cases of 4 boxes , plus extra boxes does Shirley need to deliver ?

Ex Output:

5