Two trains A and B depart opposite from each other at the same time and meet on the way 5 hours later. It is known that car A takes 9 hours to complete the journey, and car B travels 48 kilometers per hour. How many kilometers does car A travel per hour?
甲乙两列火车同时从两地相对开出，5小时后在途中相遇．已知甲车行驶完全程要9小时，乙车每小时行48千米，甲车每小时行多少千米？
<gadget id="calculator">5 / 9</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">1 - (5/9)</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">5 / (4/9) / 9</gadget>
<output>5/4 = around 1.25</output>

<gadget id="calculator">48 * (5/4)</gadget>
<output>60</output>

<result>60</result>