Cars A and B leave from places A and B at the same time. Car A travels 63.5 kilometers per hour, and car B travels 56.5 kilometers per hour. After 4 hours, they meet each other. When they met, how much did car A travel more than car B? rice? (solution with equation)
甲乙两车从A，B两地同时相对开出，甲车每小时行驶63.5千米，乙车每小时行驶56.5千米，经过4小时相遇，问相遇时甲车比乙车多行驶了多少千米？(用方程解答)
<gadget id="calculator">63.5 * 4</gadget>
<output>254</output>

<gadget id="calculator">56.5 * 4</gadget>
<output>226</output>

<gadget id="calculator">254 - 226</gadget>
<output>28</output>

<result>28</result>