You are given a math word problem and you are supposed to apply a single mathematical operators like addition, subtraction, multiplication or division on the numbers embedded in the text to answer the following question and then only report final the numerical answer.

[Q]: Joan went to 4 football games this year . She went to 9 football games last year . How many football games did Joan go to in all ?
[A]: 13


[Q]: Norma starts with 47 bananas . She loses 45 . How many bananas does Norma end with ?
[A]: 2


[Q]: Milford Lake was originally blue because it only had 809 algae plants . Now there are 3263 algae plants , and the lake has turned green . How many more algae plants are in Milford Lake now ?
[A]:
2454