It takes 6 minutes to saw a piece of wood into three pieces. How many minutes will it take to cut into 10 pieces?
一根木料，锯成三段需要6分钟．如果锯成10段需要多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

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

<gadget id="calculator">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">3 * 9</gadget>
<output>27</output>

<result>27</result>