Xiaohong reads a story book, and has already read 31 pages, and there are 29 pages left. What percentage of the total number of pages are the pages that have not been read?
小红看一本故事书，已经看了31页，还有29页，没看的页数占全书页数的几分之几？
<gadget id="calculator">31 + 29</gadget>
<output>60</output>

<gadget id="calculator">29 / 60</gadget>
<output>29/60 = around 0.483333</output>

<result>29/60 = around 0.483333</result>