Teacher Wang types a manuscript, the ratio of completed pages to total pages is 3:8, and the number of unfinished pages is the total number of pages
王老师打一份稿件，完成页数和总页数比是3：8，未完成页数是总页数的多少
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>