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:
There are 124 students making 3 stars each for the school wall . How many stars will they make all together ?

Ex Output:
372

Ex Input:
Sam found 35 seashells on the beach , he gave Joan 18 of the seashells . How many seashells does he now have ?

Ex Output:
17

Ex Input:
Lucy has an aquarium with 212 fish . She wants to buy 68 more fish . How many fish would Lucy have then ?

Ex Output:
280