Chen Nan's water bill for two months is 53.8 yuan. According to this calculation, how much is her family's water bill for a year?
陈楠家两个月的水费是53.8元，照这样计算，她家一年的水费是多少元钱？
<gadget id="calculator">53.8 / 2</gadget>
<output>26.9</output>

<gadget id="calculator">26.9 * 12</gadget>
<output>322.8</output>

<result>322.8</result>