A passenger car and a truck depart from places A and B at the same time, and meet on the way after 6 hours. After the encounter, the two cars continue to move forward at the original speed and direction, and after another 4 hours the bus arrives at point B, while the truck leaves point A. There are 200 kilometers. What is the distance between A and B in kilometers?
客车与货车分别从甲、乙两地同时相对开出，6小时后在途中相遇，相遇后两车继续按原来的速度和方向前进，又经过4小时客车到达乙地，而货车离甲地还有200千米．甲、乙两地相距多少千米．
<gadget id="calculator">6 + 4</gadget>
<output>10</output>

<gadget id="calculator">200 / 10</gadget>
<output>20</output>

<gadget id="calculator">20 * 4</gadget>
<output>80</output>

<gadget id="calculator">200 - 80</gadget>
<output>120</output>

<gadget id="calculator">6 - 4</gadget>
<output>2</output>

<gadget id="calculator">120 / 2</gadget>
<output>60</output>

<gadget id="calculator">60 * 10</gadget>
<output>600</output>

<result>600</result>