Saw a 5-meter-long piece of wood into 8 sections of the same length. Each section is the full length ((())/(())). What is the length of each section in meters?
把5米长的木料锯成同样长的8段，每段是全长的((())/(()))，每段长是多少米．
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 / (1/8)</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>