Car A and car B drive from A and B respectively at the same time. When they meet, car A travels 50 kilometers longer than car B, and the ratio of the distance traveled by car A and car B is 5:3. It is known that car A is 80 kilometers per hour. Find the time it takes for car A to travel from point A to point B.
甲、乙两车分别从A、B两地同时相对开出，相遇时，甲车比乙车多行了50千米，且甲、乙两车所行的路程比是5：3．已知甲车每小时80千米．求甲车从A地行到B地所用的时间．
<gadget id="calculator">5 - 3</gadget>
<output>2</output>

<gadget id="calculator">50 / 2</gadget>
<output>25</output>

<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">8 / 80</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">25 * (1/10)</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>