Fold a 5-meter-long rope in half twice, how many meters is each piece
把5米长的绳子对折两次，每一段是多少米
<gadget id="calculator">2 * 2</gadget>
<output>4</output>

<gadget id="calculator">5 / 4</gadget>
<output>5/4 = around 1.25</output>

<result>5/4 = around 1.25</result>