Cars A and B drive respectively from places A and B. After 3 hours, car A arrives at the midpoint of AB. Car B is still 60 kilometers away from the midpoint. It is known that car B’s speed is that of car A (4/ (5.)). How many kilometers does car A travel per hour?
甲乙两车分别从A、B两地相对开出，3小时后甲车到达AB两地中点，乙车离中点还有60千米，已知乙车的速度是甲车的(4/(5．))．求甲车每小时行多少千米？
<gadget id="calculator">4 / 5</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 / 3 / (1/5)</gadget>
<output>100</output>

<result>100</result>