Given a math word problem, answer the following question. You might need to apply addition or subtraction mathematical operators on the numbers embedded in the text to answer the question and then only report the final numerical answer.

Input: Consider Input: 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 ?

Output: 13

Input: Consider Input: the difference between 2 numbers is 24 the smaller number is 46 what is the larger number ?

Output: 70

Input: Consider Input: karen has 252 markers . her mother gives her 34 more markers . karen loses 11 markers . how many markers does she have now ?
Output: 275