A steel pipe is sawed into small sections of the same length, sawed 5 times, what is the total length of each section.
把一根钢管锯成一样长的小段，锯了5次，每段占全长的多少．
<gadget id="calculator">5 + 1</gadget>
<output>6</output>

<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>