The distance between A and B is 360 kilometers. Two cars drive from A and B in opposite directions at the same time and meet each other after 3 hours. If the two cars increase their speed by 20% and still start from A and B in opposite directions at the same time, how many hours after departure will they meet?
甲乙两地相距360千米．两辆汽车同时从甲乙两地相向开出，3小时后相遇，如果两车各提速20%，仍从甲乙两地同时相向出发，则出发后几个小时相遇？
<gadget id="calculator">360 / 3</gadget>
<output>120</output>

<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">120 * (6/5)</gadget>
<output>144</output>

<gadget id="calculator">360 / 144</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>