It takes Xiao Ming 3 minutes to cut a cylindrical wood into 3 sections, how many minutes will it take him to cut this piece of wood into 7 sections?
小明用3分钟将一圆柱形木料截成3段，那么他要将这段木料截成7段需要多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">3 / 2</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">(3/2) * 6</gadget>
<output>9</output>

<result>9</result>