A truck travels 75 kilometers per hour, and a car travels 170 kilometers in 2 hours. Which one is faster? How many kilometers per hour?
一辆卡车每小时行75千米，一辆轿车2小时行170千米，那个车快？每小时快多少千米？
<gadget id="calculator">170 / 2</gadget>
<output>85</output>

<gadget id="calculator">85 - 75</gadget>
<output>10</output>

<result>10</result>