There is a mid-point station A between A and B. Cars A and B depart from station A to different east and west stations at the same time. When car A arrives at the east station, car B is still 20 kilometers away from the west station. It is known that A and B The speed ratio of the two vehicles is 4:3, find the distance between A and B.
甲乙两地之间有一中点站A，甲乙两车在A站同时向不同的东西两站开出，甲车到达东站时，乙车离西站还有20千米，已知甲、乙两车速度比为4：3，求甲乙两地的路程．
<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">1 - (3/4)</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">20 / (1/4)</gadget>
<output>80</output>

<gadget id="calculator">80 * 2</gadget>
<output>160</output>

<result>160</result>