A car travels 9 kilometers and uses (3/4) liters of gasoline. What is the average number of liters of gasoline used per kilometer?
一辆汽车行9千米，用去汽油(3/4)升，平均每千米用汽油多少升．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">(3/4) / 9</gadget>
<output>1/12 = around 0.083333</output>

<result>1/12 = around 0.083333</result>