If it takes 6 minutes to saw a piece of wood into 3 sections, how many minutes will it take to saw it into 5 sections at the same speed?
一根木材锯成3段，用了6分钟，用同样的速度，把它锯成5段需要多少分钟分钟．
<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>