A car travels 432 kilometers in 6 hours, which is 16 kilometers per hour faster than a truck. How many kilometers per hour does the truck travel?
轿车6小时行432千米，比卡车每小时快16千米，卡车每小时行驶多少千米？
<gadget id="calculator">432 / 6</gadget>
<output>72</output>

<gadget id="calculator">72 - 16</gadget>
<output>56</output>

<result>56</result>