The speeds of passenger cars, trucks, and cars are 60 kilometers, 50 kilometers, and 70 kilometers per hour respectively. The buses and trucks are at point A, and the cars are at point B. The three cars start at the same time, and the cars, cars, and trucks are facing each other. OK, the car meets the passenger car and then meets the truck one hour later, find the distance between A and B.
客车、货车、小轿车的速度分别是每小时60千米、50千米、70千米，客车、货车在A地，小轿车在B地，三车同时出发，小轿车与客车、货车相向而行，小轿车和客车相遇1小时后和货车相遇，求A、B两地之间的距离．
<gadget id="calculator">70 + 60</gadget>
<output>130</output>

<gadget id="calculator">70 + 50</gadget>
<output>120</output>

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

<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">120 * (1/10)</gadget>
<output>12</output>

<gadget id="calculator">130 * 12</gadget>
<output>1_560</output>

<result>1_560</result>