The speeds of cars, trucks and passenger cars are 75 kilometers per hour, 60 kilometers per hour and 50 kilometers per hour, respectively. Cars and buses drive from A to B, and trucks drive from B to A. If they start at the same time, the truck meets the passenger car 20 minutes after meeting the car. How many miles is the distance between A and B?
小汽车、货车和客车的速度分别为每小时75千米、每小时60千米和每小时50千米．小汽车和客车从甲地开往乙地，货车则从乙地开往甲地，如果它们同时出发，货车遇到小汽车后20分钟又与客车相遇．问甲、乙两地相距多少千米？
<gadget id="calculator">50 + 75</gadget>
<output>125</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">60 - 50</gadget>
<output>10</output>

<gadget id="calculator">(2/3) / 10</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">60 + 75</gadget>
<output>135</output>

<gadget id="calculator">125 * (1/15) * 135</gadget>
<output>1_125</output>

<result>1_125</result>