The speed of a civil aviation aircraft is 600 kilometers per hour, which is equivalent to (2/3) of the speed of a fighter jet. What is the speed of the fighter in kilometers?
一架民航飞机的速度是每小时600千米，相当于一架斗机速度的(2/3)．战斗机的速度是多少千米？
<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">600 / (2/3)</gadget>
<output>900</output>

<result>900</result>