Cars A and B drive oppositely from places A and B at the same time. After the first meeting, the two cars continue to move forward. When the second meeting occurs, car B is 120 kilometers away from place A. The speed ratio of cars A and B is known to be 5:4. The distance between AB and AB.
甲乙两车分别同时从AB两地相对开出，第一次相遇后两车继续前进，第二次相遇时乙车离A地120千米，已知甲乙两车速度比为5：4，求AB两地路程．
<gadget id="calculator">4 + 5</gadget>
<output>9</output>

<gadget id="calculator">4 / 9</gadget>
<output>4/9 = around 0.444444</output>

<gadget id="calculator">3 * (4/9)</gadget>
<output>4/3 = around 1.333333</output>

<gadget id="calculator">(4/3) - 1</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">120 / (1/3)</gadget>
<output>360</output>

<result>360</result>