Divide the 7m long rope into 9 sections, each section is the length of the rope.
把7m长的绳子平均分成9段，每段是这根绳子长的多少．
<gadget id="calculator">1 / 9</gadget>
<output>1/9 = around 0.111111</output>

<result>1/9 = around 0.111111</result>