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:
Lucy went to the grocery store . She bought 12 packs of cookies and 16 packs of noodles . How many packs of groceries did she buy in all ?

Ex Output:
28


Ex Input:
13 ducks are swimming in a lake . 20 more ducks come to join them . How many ducks are swimming in the lake ?

Ex Output:
33


Ex Input:
Gino has 63 popsicle sticks . I have 50 popsicle sticks . What is the sum of our popsicle sticks ?

Ex Output:

113