A car travels 9 kilometers in 6 minutes. How many minutes does it take to drive 1 kilometer.
一辆小汽车6分钟行驶9千米．行驶1千米要多少分．
<gadget id="calculator">6 / 9</gadget>
<output>2/3 = around 0.666667</output>

<result>2/3 = around 0.666667</result>