Our school spent 630 yuan for water in 3 months. According to this calculation, how much is the water fee for a year?
我们学校3个月用了630元水费，照这样计算，一年的水费是多少元？
<gadget id="calculator">630 / 3</gadget>
<output>210</output>

<gadget id="calculator">210 * 12</gadget>
<output>2_520</output>

<result>2_520</result>