A section of wood was sawed 3 times, and it took 6 minutes in total. How many minutes would it take to saw 5 sections like this?
一段木料锯了3次，一共用了6分钟，像这样如果要锯成5段，那么要用多少分钟．
<gadget id="calculator">6 / 3</gadget>
<output>2</output>

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

<gadget id="calculator">2 * 4</gadget>
<output>8</output>

<result>8</result>