Yingying's electricity bill for the first five months of this year is 400 yuan. Based on this calculation, how much is their electricity bill for a year?
莹莹家今年前五个月电费是400元，照这样计算，她们家一年的电费是多少？
<gadget id="calculator">400 / 5</gadget>
<output>80</output>

<gadget id="calculator">80 * 12</gadget>
<output>960</output>

<result>960</result>