From A to B, car A takes 10 hours to complete the trip, and car B takes 15 hours to complete the trip. If cars A and B leave at the same time, what fraction of the distance between A and B will be traveled by car A when they meet?
从A地B，甲车要10小时行完，乙车要15小时行完，如果甲、乙两车同时相对开出，相遇时甲车行了A、B间路程的几分之几？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 / 15</gadget>
<output>1/15 = around 0.066667</output>

<gadget id="calculator">(1/10) + (1/15)</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 / (1/6)</gadget>
<output>6</output>

<gadget id="calculator">6 * (1/10)</gadget>
<output>3/5 = around 0.6</output>

<result>3/5 = around 0.6</result>