The speed ratio of the motorcycle and the car is 10:9. The two cars start from A and B at the same time and meet at a distance of 6 kilometers from the midpoint of the two places. How many kilometers are there between A and B?
摩托车与汽车速度的比是10：9，两车同时从甲乙两地开出，在离两地中点6千米处相遇．甲、乙两地相距多少千米？
<gadget id="calculator">10 + 9</gadget>
<output>19</output>

<gadget id="calculator">10 - 9</gadget>
<output>1</output>

<gadget id="calculator">2 / 1</gadget>
<output>2</output>

<gadget id="calculator">6 * 2</gadget>
<output>12</output>

<gadget id="calculator">19 * 12</gadget>
<output>228</output>

<result>228</result>