5 Two cars save a total of 90.3 kilograms of gasoline in 3.5 days. How many kilograms of gasoline are saved per car per day on average?
5两汽车3.5天共节约90.3千克汽油，平均每辆汽车每天节约汽油多少千克？
<gadget id="calculator">90.3 / 3.5 / 5</gadget>
<output>5.16</output>

<result>5.16</result>