A and B practice running around a park with a circumference of 15 kilometers at the same time, starting from the same place in opposite directions, and they meet on the way in (5/12) hours. A travels 19 kilometers per hour, how many kilometers per hour does B travel?
甲乙两人同时绕周长15千米的公园练习跑步，从同一地点向相反方向出发，(5/12)小时两人在途中相遇．甲每小时行19千米，乙每小时行多少千米？
<gadget id="calculator">5 / 12</gadget>
<output>5/12 = around 0.416667</output>

<gadget id="calculator">15 / (5/12)</gadget>
<output>36</output>

<gadget id="calculator">36 - 9</gadget>
<output>27</output>

<result>27</result>