If a cylindrical material is sawed into 9 sections, what is the time spent on sawing one section to the time spent on sawing all of them.
把一个圆柱形材料锯成9段，锯一段所用时间占全部锯完所用时间的多少．
<gadget id="calculator">9 - 1</gadget>
<output>8</output>

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

<gadget id="calculator">100 / 100</gadget>
<output>1</output>

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

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