The school carried out water-saving and electricity-saving activities, and saved a total of 414 tons of water in the first three months. According to this calculation, how many tons of water can the school save in a year?
学校开展节水、节电活动，前3个月共节约用水414吨，照这样计算，学校一年能节约用水多少吨？
<gadget id="calculator">414 / 3</gadget>
<output>138</output>

<gadget id="calculator">138 * 12</gadget>
<output>1_656</output>

<result>1_656</result>