A and B are 216 kilometers apart and can be reached in 4 hours by boat. How many kilometers does the ship travel on average per hour?
甲、乙两地相距216千米，乘轮船4小时可以到达．轮船平均每个小时行驶多少千米？
<gadget id="calculator">216 / 4</gadget>
<output>54</output>

<result>54</result>