It takes 2 minutes for Master Wang to saw a long piece of wood into two sections. How many minutes will it take him to saw this piece of wood into 8 sections?
王师傅把一根长木料锯成两段要2分钟，他把这根木料锯成8段，一共要多少分钟．
<gadget id="calculator">2 - 1</gadget>
<output>1</output>

<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">8 - 1</gadget>
<output>7</output>

<gadget id="calculator">2 * 7</gadget>
<output>14</output>

<result>14</result>