A story book is 4.8 yuan, and the price of a composition book is the price of two story books. How much is a story book and a composition book?
一本故事书4.8元，一本作文书的价钱是两本故事书的价钱，一本故事书和一本作文书一共要多少钱？
<gadget id="calculator">4.8 * 2</gadget>
<output>9.6</output>

<gadget id="calculator">4.8 + 9.6</gadget>
<output>14.4</output>

<result>14.4</result>