The water delivery master delivered 720 barrels of mineral water in 3 months. According to this calculation, how many barrels of mineral water can be delivered in a year?
送水师傅3个月送出720桶矿泉水，照这样计算，全年可送出多少桶矿泉水？
<gadget id="calculator">720 / 3</gadget>
<output>240</output>

<gadget id="calculator">240 * 12</gadget>
<output>2_880</output>

<result>2_880</result>