The 6 cars of the rental company saved a total of 153 kilograms of gasoline in 15 days. How many kilograms of gasoline are saved per car per day on average?
出租公司6辆汽车15天一共节约汽油153千克，平均每辆汽车每天节约汽油多少千克？
<gadget id="calculator">153 / 15 / 6</gadget>
<output>17/10 = around 1.7</output>

<result>17/10 = around 1.7</result>