If it takes 6 minutes to saw a piece of wood into 2 pieces, how many minutes will it take to saw it into 6 pieces?
一根木料锯成2段要6分钟，锯成6段要多少分钟．
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

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

<result>30</result>