There is a steel pipe, and it takes (1/12) hours to cut it into 5 sections. If it takes the same time to cut each time, how many hours will it take to cut 9 sections?
有一根钢管，用(1/12)小时截成5段，如果每截一次所用的时间相同，那么要截9段，一共需要多少小时．
<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">5 - 1</gadget>
<output>4</output>

<gadget id="calculator">(1/12) / 4</gadget>
<output>1/48 = around 0.020833</output>

<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">(1/48) * 8</gadget>
<output>1/6 = around 0.166667</output>

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