Divide a 4-meter-long line segment into 3 segments on average, how much of the total length does each segment occupy?
把4米长的线段平均分成3段，每段占全长的多少
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<result>1/3 = around 0.333333</result>