Cut the (4/5) meter long rope into 4 sections, what is the average length of each section
把(4/5)米长的绳子剪成4段，平均每段占全长的多少
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<result>1/4 = around 0.25</result>