Xiaoliang bought a copy of "Fairy Tales" and spent 4.6 yuan; he bought another copy of "Cosmic Adventure" and spent 10.5 yuan. How much did Xiao Liang spend on these two books?
小亮买了一本《童话故事》，花了4.6元；又买了一本《宇宙探险》，花了10.5元．小亮买这两本书一共花了多少钱？
<gadget id="calculator">4.6 + 10.5</gadget>
<output>15.1</output>

<result>15.1</result>