Two trains, A and B, travel from Shanghai to Guangzhou at the same time. After 5 hours, train B falls behind train A by 60 kilometers. Train B travels 50.5 kilometers per hour. How many kilometers does train A travel per hour? (equation)
甲乙两列火车同时从上海开往广州，5小时后乙车落在甲车后面60千米，乙车每小时行50.5千米，甲车每小时行多少千米？(方程)
<gadget id="calculator">50.5 * 5</gadget>
<output>252.5</output>

<gadget id="calculator">252.5 + 60</gadget>
<output>312.5</output>

<gadget id="calculator">312.5 / 5</gadget>
<output>62.5</output>

<result>62.5</result>