A car uses 0.875 liters of gasoline for 7 kilometers, how many liters of gasoline are used per kilometer on average.
一辆汽车行7千米用了0.875升汽油，平均每千米用多少升汽油．
<gadget id="calculator">0.875 / 7</gadget>
<output>0.125</output>

<result>0.125</result>