Two cars, fast and slow, leave from A and B at the same time at 6:00 in the morning. At 12:00 noon, the distance between the two cars is 50 kilometers, and when they continue to drive until 14:00, the distance between the two cars is 170 kilometers. How many kilometers are there between A and B?
快、慢两车早上6时同时从甲、乙两地相向开出，中午12时两车还相距50千米，继续行驶到14时，两车又相距170千米．甲、乙两地相距多少千米？
<gadget id="calculator">170 + 50</gadget>
<output>220</output>

<gadget id="calculator">220 / 2</gadget>
<output>110</output>

<gadget id="calculator">110 * 6</gadget>
<output>660</output>

<gadget id="calculator">660 + 50</gadget>
<output>710</output>

<result>710</result>