Kobayashi reads an 85-page story book, and has already read 48 pages, how much of the whole book has been read.
小林看一本85页的故事书，已经看了48页，看了全书的多少．
<gadget id="calculator">48 / 85</gadget>
<output>48/85 = around 0.564706</output>

<result>48/85 = around 0.564706</result>