Wang Jun and his classmates surveyed and counted 234 motor vehicles passing the school gate from 15:00 to 17:00. How many vehicles pass by on average per hour?
王军和他的同学在校门口调查统计15：00---17：00从校门口经过的各种机动车的数量一共234辆．平均每小时有多少辆机动车通过？
<gadget id="calculator">234 / 2</gadget>
<output>117</output>

<result>117</result>