The passenger ship and the freighter depart from Port A and Port B at the same time, respectively. When they meet, the passenger ship travels 60% of the journey, and the freighter travels 60 kilometers less than the passenger ship. How many kilometers are there between the two ports?
客轮和货轮分别从甲港和乙港同时相向出发，相遇时客轮行了全程的60%，货轮比客轮少行60千米，甲乙两港相距多少千米？
<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1 - (3/5)</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">(3/5) - (2/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 / (1/5)</gadget>
<output>300</output>

<result>300</result>