Divide a 3-meter-long steel pipe into 5 sections on average, and each section is equal to the total length.
把3米长的钢管平均分成5段，每段是总长的多少．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>