A steel pipe can be sawed into 5 sections in (1/4) hour. According to this calculation, how many hours will it take to saw 8 sections.
一根钢管，(1/4)小时锯成了5段，照这样计算，锯8段需要多少小时．
<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

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

<gadget id="calculator">(1/4) / 4</gadget>
<output>1/16 = around 0.0625</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">(1/16) * 7</gadget>
<output>7/16 = around 0.4375</output>

<result>7/16 = around 0.4375</result>