The distance between A and B is 1053 meters. A passenger car and a train drive from the two places at the same time. The train travels 72 kilometers per hour, which is 27 kilometers per hour faster than the truck. How many hours does it take for the two cars to meet?
甲乙两地相距1053米，一列客车和一列火车同时从两地开对，火车每小时行72千米，比卡车每小时快27千米，两车经过多少小时相遇？
<gadget id="calculator">72 - 27</gadget>
<output>45</output>

<gadget id="calculator">72 + 45</gadget>
<output>117</output>

<gadget id="calculator">1_053 / 117</gadget>
<output>9</output>

<result>9</result>