In the bookstore, Chinese books are 4.7 yuan, and mathematics books are 5.8 yuan. How much do you need to buy these two books?
书店里语文书4.7元，数学书5.8元，买这两种书要多少元？
<gadget id="calculator">4.7 + 5.8</gadget>
<output>10.5</output>

<result>10.5</result>