The distance between Haizhou and Banpu is 200 kilometers. A train of passenger cars and a train of trucks depart from Haizhou and Banpu at the same time and run towards each other. They meet after 0.5 hours. Given that the speed ratio of passenger cars to trucks is 3:2, find the speed of passenger cars.
海州与板浦相距200千米，一列客车与一列货车从海州、板浦两地同时出发相向而行，0.5小时后相遇．已知客车与货车的速度比是3：2，求客车的速度．
<gadget id="calculator">200 / 0.5</gadget>
<output>400</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">3 / 5</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">400 * (3/5)</gadget>
<output>240</output>

<result>240</result>