Cut a 4-meter-long rope into 5 sections on average, how many meters is each section?
把长4米的绳子平均截成5段，每段长多少米
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">4 * (1/5)</gadget>
<output>4/5 = around 0.8</output>

<result>4/5 = around 0.8</result>