The school uses an average of 308 kilowatt-hours of electricity per month. According to this calculation, how much electricity is shared by the school in a year?
学校平均每月用电308度，照这样计算，学校一年共用电多少度？
<gadget id="calculator">360 * 12</gadget>
<output>4_320</output>

<result>4_320</result>