Xiao Ming bought a copy of Animal World for 27.8 yuan and a book of fairy tales for 24.5 yuan. How much did Xiao Ming spend on these two books?
小明买了一本动物世界27.8元，买了一本童话故事24.5元，小明买这两本书一共用了多少钱？
<gadget id="calculator">27.8 + 24.5</gadget>
<output>52.3</output>

<result>52.3</result>