"Fairy Tale" book 9.70 yuan, "Encyclopedia" 10 yuan. How much does Encyclopedia cost more than Fairy Tale book?
《童话故事》书9.70元，《百科全书》10元．《百科全书》比《童话故事》书贵多少钱？
<gadget id="calculator">10 - 9.7</gadget>
<output>0.3</output>

<result>0.3</result>