Divide a 3-meter-long rope into 7 sections, what is the length of each section?
把3米长的绳子平均分成7段，则每段长多少米
<gadget id="calculator">3 / 7</gadget>
<output>3/7 = around 0.428571</output>

<result>3/7 = around 0.428571</result>