A truck travels 65 kilometers per hour from point A to point B and arrives in 3 hours. How many kilometers does this car travel round and round?
一辆货车从甲地到乙地，每小时行65千米，3小时到达．这辆车往返一次要行多少千米？
<gadget id="calculator">65 * 3 * 2</gadget>
<output>390</output>

<result>390</result>