A passenger car and a truck leave opposite each other at the same time and meet each other in 9 hours. When they meet, the bus travels exactly 60% of the journey. The bus is 15 kilometers faster than the truck per hour. How many kilometers is the distance between the two places?
客车和货车同时从两地相对开出，9小时相遇，相遇时客车正好行了全程的60%，客车每小时比货车快15千米，两地的距离是多少千米？
<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">9 / (1/5)</gadget>
<output>45</output>

<gadget id="calculator">15 * 45</gadget>
<output>675</output>

<result>675</result>