A jeep travels 120 kilometers in 2 hours, and a bus travels 210 kilometers in 3 hours. How much more kilometers does the bus travel per hour than the jeep?
吉普车2小时行驶120千米，客车3小时行驶210千米，客车每小时比吉普车多行多少千米．
<gadget id="calculator">210 / 3</gadget>
<output>70</output>

<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<gadget id="calculator">70 - 60</gadget>
<output>10</output>

<result>10</result>