Xigang Primary School has a total of x students, among whom (5/8) participate in extracurricular activities, and how many of them do not participate in extracurricular activities.
西岗小学共有学生x人，参加课外活动的占(5/8)，没参加课外活动的有多少人．
<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">1 - (5/8)</gadget>
<output>3/8 = around 0.375</output>

<result>3/8 = around 0.375</result>