Q: 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.
a vet was weighing 3 cats . the first weighed 2 pounds . the second weighed 7 pounds and the last weighed 4 pounds . what is their combined weight ?
A:
13