TASK DEFINITION: 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.
PROBLEM: Context: Jerry had 8 action figures and 9 books on a shelf in his room. Later he added 10 more books to the shelf.

Question: How many books were on his shelf in all?

SOLUTION: 19

PROBLEM: Context: Rachel picked 7 apples from her tree. Thereafter 2 new apples grew on the tree. Now the tree has 6 apples still on it.

Question: How many apples did the tree have to begin with?

SOLUTION: 11

PROBLEM: Context: At the stop 8 more people got on the train. Initially there were 11 people on the train.

Question: How many people are there on the train now?

SOLUTION:
19