Xiao Wang travels 400 meters on a motorcycle, and Xiao Li travels 250 meters on a bicycle. The two start from places A and B at the same time and walk towards each other. When they meet, Xiao Wang is still 3,000 meters away from point B.
小王骑摩托车每分行400米，小李骑自行车每分行250米，两人分别从甲乙两地同时出发，相向而行，相遇时小王离乙地还有3000米，甲乙两地相距多少米？
<gadget id="calculator">5 + 8</gadget>
<output>13</output>

<gadget id="calculator">5 / 13</gadget>
<output>5/13 = around 0.384615</output>

<gadget id="calculator">3_000 / (5/13)</gadget>
<output>7_800</output>

<result>7_800</result>