Wang Lin wanted to buy a book with a price of 3.85 yuan, but she was short of 1.27 yuan. In the end, she bought a book with a price of 1.78 yuan. How much money does she have left?
王琳想买一本价格为3.85元的书，但是还差1.27元，结果她买了一本1.78元的书，她还剩多少钱？
<gadget id="calculator">3.85 - 1.27 - 1.78</gadget>
<output>0.8</output>

<result>0.8</result>