Zhang Hong's family saves 3 kilograms of water per person per day, how much water can Zhang Hong's family of three save in a year?
张红家每人每天节约3千克水，则张红他们三口之家一年大约可以节约多少千克的水？
<gadget id="calculator">3 * 3 * 365</gadget>
<output>3_285</output>

<result>3_285</result>