You are given a math word problem and you are supposed to apply an addition mathematical operator on the numbers embedded in the text to answer the following question and then only report the final numerical answer.

[EX Q]: Context: Josh had 21 marbles in his collection. He found 7 marbles. 

 Question: How many marbles does he have now?
[EX A]: 28

[EX Q]: Context: A book has 3 chapters. The first chapter is 66 pages long the second chapter is 35 pages long and the third chapter is 24 pages long. 

 Question: How many pages does the book have altogether?
[EX A]: 125

[EX Q]: Context: Rachel had to complete 8 pages of math homework, 7 pages of reading homework and 3 more pages of biology homework. 

 Question: How many pages of math and biology homework did she have to complete?
[EX A]:
11