A steel pipe is 12 meters long and is sawn into 6 sections on average. It takes 2 minutes to saw the next section, how many minutes will it take to complete the saw.
一根钢管长12米，平均锯成6段．每锯下一段需2分钟，锯完要花多少分钟．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">5 * 2</gadget>
<output>10</output>

<result>10</result>