There is a steel pipe, and it takes 0.5 hours to saw 6 sections. If the time required for each sawing is the same, how many hours will it take to saw 12 sections?
有一根钢管，用0.5小时锯6段，如果每锯一次所需时间相同，那么锯12段需要多少小时．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">0.5 / 5</gadget>
<output>0.1</output>

<gadget id="calculator">12 - 1</gadget>
<output>11</output>

<gadget id="calculator">0.1 * 11</gadget>
<output>1.1</output>

<result>1.1</result>