It takes 6 minutes to saw a wooden bar of uniform thickness into 3 sections, how many minutes will it take if it is sawed into 8 sections?
将一根粗细均匀的木条锯成3段需要6分钟，如果锯成8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">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">3 * 7</gadget>
<output>21</output>

<result>21</result>