A color TV consumes an average of 40 kWh of electricity per month. There are 26 color TV sets in a residential building. How many kWh does it consume a year?
一台彩电平均每月用电40千瓦时，有一幢居民楼共有26台彩电，一年要用电多少千瓦时？
<gadget id="calculator">40 * 26 * 12</gadget>
<output>12_480</output>

<result>12_480</result>