The distance between A and B is 300 kilometers. Two cars drive from A to B at the same time. It is known that the speeds of the two cars are 48 kilometers and 52 kilometers respectively. How many hours will we meet after departure?
甲、乙两地相距300千米，两辆车同时从甲开往乙，已知两辆车速度各是48千米、52千米，快车到达乙地后立即返回，两车从甲地开出后几小时相遇？
<gadget id="calculator">48 + 52</gadget>
<output>100</output>

<gadget id="calculator">2 / 100</gadget>
<output>1/50 = around 0.02</output>

<gadget id="calculator">300 * (1/50)</gadget>
<output>6</output>

<result>6</result>