The distance between A and B is 350 kilometers. Xiao Wang and Xiao Li are driving towards each other from A and B at the same time. Xiao Wang's speed is 80 kilometers per hour, and Xiao Li's speed is 60 kilometers per hour. How many hours later will the two cars meet?
甲、乙两地相距350千米，小王与小李同时从甲、乙两地开车相向而行．小王的车速是每小时80千米，小李的车速是每小时60千米．几小时后两车相遇？
<gadget id="calculator">80 + 60</gadget>
<output>140</output>

<gadget id="calculator">350 / 140</gadget>
<output>5/2 = around 2.5</output>

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