Fangfang brought 1.55 yuan to buy a book, but she was short of 0.36 yuan to buy the book. How much is the price of this book.
芳芳带了1.55元去买一本书，可她的钱买这本书还缺0.36元．这本书的价钱是多少元．
<gadget id="calculator">1.55 + 0.36</gadget>
<output>1.91</output>

<result>1.91</result>