There is a bar. In order to welcome the National Day, the owner plans to decorate the bar with colored lights and share a 48-meter line of lights. The length of the bar is 12 meters and the width is 6 meters. How many meters is the height of the bar? (Not installed around the ground)
有一个酒吧，为了迎接国庆节日，老板准备给酒吧装饰彩灯共用彩灯线48米，酒吧的长是12米，宽是6米，请问酒吧的高是多少米？(地面四周不装)
<gadget id="calculator">2 * 12</gadget>
<output>24</output>

<gadget id="calculator">2 * 6</gadget>
<output>12</output>

<gadget id="calculator">48 - 24 - 12</gadget>
<output>12</output>

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

<result>3</result>