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

Ex Input:
beth has 4 packs of crayons . each pack has 10 crayons in it . she also has 6 extra crayons . how many crayons does beth have altogether ?

Ex Output:
46

Ex Input:
the first act included 5 clown mobiles each stuffed with 28 clowns . how many clowns are inside all the clown mobiles combined ?

Ex Output:
140

Ex Input:
paul bought 6 boxes of chocolate candy and 4 boxes of caramel candy . if each box has 9 pieces inside it how much candy did he have total ?

Ex Output:
90