Two trains are running towards each other from two stations at the same time. When the slow train travels 60 kilometers in (3/2) hours, it happens to travel (1/3) of the entire distance. (2/5) 30 kilometers more. How long will it take for the two trains to meet?
两列火车分别从两站同时相向而行，当慢车用(3/2)时行完60千米的时候，恰好行完全程的(1/3)，这时快车所行的路程比全程的(2/5)还多30千米．再经过几时两列火车相遇？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<result>1/6 = around 0.166667</result>