A passenger ship and a cargo ship depart from both ports A and B at the same time, respectively. The passenger ship sails from port A to port B at a speed of 30 kilometers per hour; ). When the passenger ship is 150 kilometers away from port A, the cargo ship is exactly 120 kilometers away from port B. How many miles is the distance between A and B?
客船和货船分别从甲、乙两港同时出发相对开出，客船从甲港开往乙港，每小时行30千米；货船从乙港开往甲港，每小时行全程的(1/8)．当客船距甲港150千米时，货船正好距乙港120千米．甲、乙两港相距多少千米？
<gadget id="calculator">150 / 30</gadget>
<output>5</output>

<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">5 * (1/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">120 / (5/8)</gadget>
<output>192</output>

<result>192</result>