A piece of wood is sawn into 11 sections, what is the time it takes to saw each section into 9 sections
一根木料锯成11段，每锯下一段所用的时间是锯成9段所用时间的多少
<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<result>1/8 = around 0.125</result>