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:
Martha has 2 peanuts . Joyce has 26 peanuts . If Joyce gives all of her peanuts to Martha , how many peanuts will Martha have ?

Ex Output:
28


Ex Input:
Lansing has 25 elementary schools . There are 247 students in each school . How many elementary students are there altogether in Lansing ?

Ex Output:
6175


Ex Input:
Harold has 53 marbles . He gets 16 more from Steve . How many marbles does Harold have in all ?

Ex Output:

69