If it takes 3 minutes to saw a piece of wood into 3 pieces, how many minutes will it take to saw it into 10 pieces?
一根木料锯成3段要3分钟，锯成10段要多少分钟．
<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">10 - 1</gadget>
<output>9</output>

<gadget id="calculator">(3/2) * 9</gadget>
<output>27/2 = around 13.5</output>

<result>27/2 = around 13.5</result>