You are given a math word problem and you are supposed to apply multiplication or division mathematical operators on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

Ex Input:
Frank and his friend were buying trick decks from the magic shop for 7 dollars each . How much did they spend if Frank bought 3 decks and his friend bought 2 decks ?

Ex Output:
35


Ex Input:
Katie was selling her necklaces at a garage sale . She sold 4 bead necklaces and 3 gem stone necklaces . If each necklace cost 3 dollars , how much money did she earn ?

Ex Output:
21


Ex Input:
Marlee has 12 guests coming to her Halloween party . Each table will hold 3 guests . How many tables will she need ?

Ex Output:

4