The distance between places A and B is 100 kilometers. Cars A and B leave opposite places at the same time and meet each other in (5/6) hours. Car A travels 72 kilometers per hour, how many kilometers per hour does Car B travel?
A，B两地相距100千米，甲乙两车同时从两地相对开出，(5/6)小时相遇．甲车每小时行72千米，乙车每小时行多少千米？
<gadget id="calculator">5 / 6</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">100 / (5/6)</gadget>
<output>120</output>

<gadget id="calculator">120 - 72</gadget>
<output>48</output>

<result>48</result>