It takes (1/6) an hour to saw a cylindrical steel pipe into 4 sections. If the time spent each time is equal, how many hours will it take to saw 10 sections?
一根圆柱形的钢管锯成4段要(1/6)小时，如果每一次所用的时间相等，那么锯成10段需要多少小时．
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">(1/6) / 3</gadget>
<output>1/18 = around 0.055556</output>

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">(1/18) * 9</gadget>
<output>1/2 = around 0.5</output>

<result>1/2 = around 0.5</result>