Cars A and B drive from city A to city B at the same time. Car B returns immediately after arriving at City B, and meets Car A at a distance of 30 kilometers away from City B. It is known that car A travels 32 kilometers per hour, and car B travels 38 kilometers per hour. So, how many kilometers is the distance between A and B?
甲、乙两车同时从A城开往B城．乙车在到达B城后立即返回，在距B城30千米处与甲车相遇．已知甲车每小时行32千米，乙车每小时行38千米．那么，A、B两城相距多少千米？
<gadget id="calculator">38 - 32</gadget>
<output>6</output>

<gadget id="calculator">2 / 6</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">30 * (1/3)</gadget>
<output>10</output>

<gadget id="calculator">32 + 38</gadget>
<output>70</output>

<gadget id="calculator">70 / 2</gadget>
<output>35</output>

<gadget id="calculator">10 * 35</gadget>
<output>350</output>

<result>350</result>