The distance between the east and west cities is 600 kilometers. Car A travels (1/10) the whole journey per hour, and car B travels the whole journey (1/12) per hour. How many kilometers does A travel more than car B per hour?
东、西两城相距600千米，甲车每小时行驶全程的(1/10)，乙车每小时行驶全程的(1/12)，甲车比乙车每小时多行驶多少千米？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 12</gadget>
<output>1/12 = around 0.083333</output>

<gadget id="calculator">(1/10) - (1/12)</gadget>
<output>1/60 = around 0.016667</output>

<gadget id="calculator">600 * (1/60)</gadget>
<output>10</output>

<result>10</result>