Naughty bought a copy of "Fairy Tales" at the bookstore and spent 3.2 yuan, and he bought another copy of "Mathematical World" for 11.5 yuan. How much did Naughty spend in total?
淘气在书店买了一本《童话故事》花了3.2元，他又买了一本《数学世界》花了11.5元，淘气一共花了多少元钱？
<gadget id="calculator">3.2 + 11.5</gadget>
<output>14.7</output>

<result>14.7</result>