The school carried out water conservation activities and saved 321 tons of water in the first three months. Based on this calculation, how many tons of water can the school save in a year?
学校开展节约用水活动，前3个月共节约用水321吨，照这样计算，学校一年能节约用水多少吨？
<gadget id="calculator">321 / 3</gadget>
<output>107</output>

<gadget id="calculator">107 * 12</gadget>
<output>1_284</output>

<result>1_284</result>