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.

[EX Q]: Ellen went to a garage sale to buy chairs . Each chair is 15 dollars . How much did Ellen spend for the 12 chairs she bought ?
[EX A]: 180

[EX Q]: Keith grew 6 turnips . Alyssa grew 9 turnips . How many turnips did they grow in all ?
[EX A]: 15

[EX Q]: The Richmond Tigers sold a total of 9570 tickets last season . If they sold 3867 tickets in the first half of the season , how many tickets did they sell in the second half ?
[EX A]:
5703