It takes 3.6 minutes to saw 3 sections of a piece of wood, how many minutes does it take to saw 9 sections?
把一根木料锯3段要3.6分钟，锯9段要多少分钟？
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">3.6 / 2</gadget>
<output>1.8</output>

<gadget id="calculator">9 - 1</gadget>
<output>8</output>

<gadget id="calculator">1.8 * 8</gadget>
<output>14.4</output>

<result>14.4</result>