A refrigerator consumes an average of 40 degrees of electricity per month. There are 5 new refrigerators added to a dormitory building, how many degrees will be used in a year?
一台冰箱平均每月用电40度．有一座宿舍楼新增加5台冰箱，一年要多用多少度？
<gadget id="calculator">40 * 5 * 12</gadget>
<output>2_400</output>

<result>2_400</result>