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:
in a video game each enemy defeated gives you 3 points . if a level has 6 enemies total and you destroy all but 2 of them how many points would you earn ?

Ex Output:
12


Ex Input:
morgan has 65 red pens 45 blue pens and 58 black pens . how many pens does she have ?

Ex Output:
168


Ex Input:
there are 43 dogs 72 fish and 34 cats at my farm . how many pets do i have at my farm ?

Ex Output:

149


