The distance between A and B is 460 kilometers. After A train departs from A for 2 hours, B departs from B and meets A after 4 hours. It is known that A train travels 10 kilometers longer than B train per hour. , Ask how many kilometers per hour the car travels on average?
A、B两地相距460千米，甲列车从A地开出2小时后，乙列车从B地出发，经4小时与甲列车相遇，已知甲列车比乙列车每小时多行10千米，问甲车平均每小时行多少千米？
<gadget id="calculator">10 * 4</gadget>
<output>40</output>

<gadget id="calculator">40 + 460</gadget>
<output>500</output>

<gadget id="calculator">2 + 4 + 4</gadget>
<output>10</output>

<gadget id="calculator">500 / 10</gadget>
<output>50</output>

<result>50</result>