It takes Xiao Ming's father 12 minutes to cut a wire into 4 sections, how many minutes will it take to cut it into 7 sections?
小明的爸爸把一根铁丝剪成4段要用12分钟，如果要剪成7段，要用多少分钟．
<gadget id="calculator">4 - 1</gadget>
<output>3</output>

<gadget id="calculator">12 / 3</gadget>
<output>4</output>

<gadget id="calculator">7 - 1</gadget>
<output>6</output>

<gadget id="calculator">4 * 6</gadget>
<output>24</output>

<result>24</result>