If each person saves 4 kilograms of water per day, how much water can Xiaoliang's family of 3 save in total in April?
如果每人每天节约用水4千克，小亮全家3口人四月份一共能节约用水多少千克？
<gadget id="calculator">4 * 3 * 30</gadget>
<output>360</output>

<result>360</result>