Li Ming's family uses 3,800 kilowatt-hours of electricity for five months. According to this calculation, how much electricity does his family need for a year?
李明家5个月用3800度电，照这样计算，他家一年需要用多少度电？
<gadget id="calculator">3_800 / 5</gadget>
<output>760</output>

<gadget id="calculator">760 * 12</gadget>
<output>9_120</output>

<result>9_120</result>