At the school sports meeting, Xiaojie ran 100 meters, which is equivalent to (1/4) of the whole journey. Do you know which running event Xiaojie participated in?
学校运动会上小洁跑了100米，相当于全程的(1/4)．你知道小洁参加的是哪个跑步比赛项目吗？
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">100 / (1/4)</gadget>
<output>400</output>

<result>400</result>