The fast train and the slow train leave from places A and B oppositely at the same time. When the fast train reaches the midpoint of the two points, the slow train still has a full (1/5) distance from the midpoint of the two places. When the two cars meet, what percentage of the journey has the express car traveled?
快、慢两车同时从甲、乙两地相对开出，当快车行驶到两点中点时，慢车离两地中点还有全程的(1/5)的路程．两车相遇时，快车行了全程的百分之几？
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<result>5/8 = around 0.625</result>