It took 6 minutes to saw the root into 3 sections, so how many minutes will it take to saw it into 5 sections?
要根锯成3段用了6分钟，这样，锯成5段要多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">6 / 2</gadget>
<output>3</output>

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

<gadget id="calculator">3 * 4</gadget>
<output>12</output>

<result>12</result>