It takes 12 points to saw a piece of wood into 3 sections. According to this calculation, how many points will it cost to saw it into 6 sections.
把一根木料锯成3段要12分，照这样计算，锯成6段要多少分．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">12 / 2</gadget>
<output>6</output>

<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">6 * 5</gadget>
<output>30</output>

<result>30</result>