The two cars, the fast and the slow, are traveling towards each other from the two places at the same time, and will meet at a distance of 48 kilometers from the midpoint after 4 hours. It is known that the slow train travels 60 kilometers per hour, how many kilometers per hour does the fast train travel?
快慢两车同时从两地相向而行，4小时后在距离中点48千米处相遇．已知慢车每小时行60千米，快车每小时行多少千米？
<gadget id="calculator">2 / 4</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">48 * (1/2)</gadget>
<output>24</output>

<gadget id="calculator">24 + 60</gadget>
<output>84</output>

<result>84</result>