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 Input:
Context: Paul got a box of some crayons for his birthday. During the school year he gave 52 crayons to his friends while he lost 535 crayons. If he only had 492 crayons left 

 Question: How many crayons had been lost or given away?

Ex Output:
587


Ex Input:
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?

Ex Output:
19


Ex Input:
Context: Allan brought 5 balloons and Jake brought 4 balloons to the park. Allan then bought 3 more balloons at the park. 

 Question: How many balloons did Allan bring to the park?

Ex Output:

8