Divide a 4-meter-long rope into 7 sections on average, how many meters is each section?
把4米长的绳子平均分成7段，每段长多少米
<gadget id="calculator">4 / 7</gadget>
<output>4/7 = around 0.571429</output>

<result>4/7 = around 0.571429</result>