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 Q]: molly had 14 candles on her birthday cake . she grew older and got 6 more on her birthday cake . how old is molly now ?
[EX A]: 20

[EX Q]: ed had 22 more marbles than doug . doug lost 8 of his marbles at the playground . how many more marble did ed have than doug then ?
[EX A]: 30

[EX Q]: josh had 142 pencils . he gave 31 pencils to dorothy . how many pencils does josh have left ?
[EX A]:
111