There are 35 science and technology books, 87 fairy tale books, and 105 novels on the bookshelf. What percentage of all books are science and technology books? How many times is a novel as a fairy tale book?
书架上有35本科技书，87本童话书，105本小说，科技书是所有书的几分之几？小说是童话书的几倍？
<gadget id="calculator">105 / 87</gadget>
<output>35/29 = around 1.206897</output>

<result>35/29 = around 1.206897</result>