The school library bought 4 packs of "Science Stories", 25 books in each pack, and each book was 8.26 yuan. How much did the school spend on buying these books?
学校图书馆买来4包《科学故事》，每包25本，每本8.26元．学校买这些图书共用去多少元？
<gadget id="calculator">4 * 25 * 8.26</gadget>
<output>826</output>

<result>826</result>