Yuan Lei spent 6.9 yuan on storybooks and 4.3 yuan on Grimm's fairy tales. How much did Yuan Lei spend in total?
袁磊买故事书花了6.9元，买格林童话花了4.3元．袁磊一共花了多少元．
<gadget id="calculator">6.9 + 4.3</gadget>
<output>11.2</output>

<result>11.2</result>