You are given a math word problem and you are supposed to apply a single mathematical operator 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:
there were 28 girls and 35 boys on the playground at recess . how many children were there in all ?

Ex Output:
63

Ex Input:
next on his checklist are the strawberry fields . there he found out that they can get 268 kg of fruit for every row of strawberry plants . if there are 7 rows of strawberry plants how many kilograms of strawberries can they harvest ?

Ex Output:
1876

Ex Input:
at the fair dave rode 4 rides the first day he went and 3 rides the second day . how many times did he ride total ?

Ex Output:
7