Divide a 4-meter-long steel pipe into 5 parts on average, how much is the steel pipe in each part
把一根4米长的钢管，平均分成5份，每份是这根钢管的多少
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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