It takes 6 minutes to cut a wooden stick into two pieces, so how many minutes will it take to cut it into three pieces?
把一根木棒截成二段要6分钟，照这样计算，如果要截成三段要用多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">2 * 1 * 6</gadget>
<output>12</output>

<result>12</result>