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:
Mariela was in the hospital and she got 403 get well cards from around the country . When she got home she got 287 more cards from friends and family . How many get well cards did Mariela get ?

Ex Output:
690

Ex Input:
Each child has 2 candies . If there are 9 children , how many candies are there in total ?

Ex Output:
18

Ex Input:
A tailor cut 0.75 inch off a skirt and 0.5 inch off a pair of pants . How much more did the tailor cut off the skirt than the pants ?

Ex Output:
0.25