Cars A and B leave opposite places at the same time from places A and B. After meeting each other for 2 hours, it is known that car A travels 63.5 km per hour, and the speed of car B is (2/5) that of car A. How many kilometers apart?
甲、乙两车从A、B两地同时相对开出，经过2小时相遇，已知甲车每小时行63.5km，乙车的速度是甲车的(2/5)，A、B两地相距多少千米？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">63.5 * (2/5)</gadget>
<output>25.4</output>

<gadget id="calculator">63.5 + 25.4</gadget>
<output>88.9</output>

<gadget id="calculator">88.9 * 2</gadget>
<output>177.8</output>

<result>177.8</result>