Divide the 3-meter-long iron wire equally and cut it 4 times. What is the total length of each section?
把3米长的铁丝平均分，切4次，每段是全长的多少
<gadget id="calculator">4 + 1</gadget>
<output>5</output>

<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

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