If it takes 8 minutes to cut a log into 3 pieces, how many minutes will it take to cut each of 12 logs into 6 pieces?
如果把一根木头截成3段要花8分钟，那么要把12根木头每根都截成6段，需要多少分钟．
<gadget id="calculator">3 - 1</gadget>
<output>2</output>

<gadget id="calculator">8 / 2</gadget>
<output>4</output>

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

<gadget id="calculator">4 * 5 * 12</gadget>
<output>240</output>

<result>240</result>