The distance between Haizhou and Banpu is 20 kilometers. A train of passenger cars and a train of trucks travel towards each other from Haizhou and Banpu at the same time, and they meet after 0.5 hours. It is known that the speed ratio of the bus and the truck is 3:2. Find the speed of the bus ．
海州与板浦相距20千米，一列客车与一列货车从海州、板浦两地同时相向而行，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">20 / 0.5</gadget>
<output>40</output>

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

<gadget id="calculator">40 / 5</gadget>
<output>8</output>

<gadget id="calculator">8 * 3</gadget>
<output>24</output>

<result>24</result>