When Huang Qiang reads a storybook, he has already read 51 pages, which is 6 pages more than he has not read. What percentage of the book has he not read?
黄强看一本故事书，已经看了51页，比没有看的多6页，没有看的占全书的几分之几？
<gadget id="calculator">51 - 6</gadget>
<output>45</output>

<gadget id="calculator">45 + 51</gadget>
<output>96</output>

<gadget id="calculator">45 / 96</gadget>
<output>15/32 = around 0.46875</output>

<result>15/32 = around 0.46875</result>