The country advocates environmental protection, and 8 cars save 50.4 kilograms of gasoline a week. According to this calculation, how many kilograms of gasoline can be saved per car per day?
国家提倡环保，8辆汽车一周节约汽油50.4千克，照这样计算，每辆汽车每天节约汽油多少千克？
<gadget id="calculator">50.4 / 7 / 8</gadget>
<output>0.9</output>

<result>0.9</result>