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: matthew and billie went apple picking . matthew found 46 big red apples . billie found some as well . together they found 80 apples . how many apples did billie find ?

Output: 34

Input: Consider Input: jose has 28 chickens and 18 ducks . how many fowls does he have ?

Output: 46

Input: Consider Input: shelby 's teacher gives out gold stars for great math work . yesterday shelby earned 4 gold stars . today she earned 3 more . how many gold stars did shelby earn in all ?
Output: 7