car goes back and forth between two places, travels 40 kilometers per hour when going, arrives in 6 hours, and takes 5 hours to return, how many kilometers per hour does it travel when returning?
一辆汽车往返于两地之间，去时每小时行40千米，6小时到达，回来时用了5小时，回来时每小时行多少千米？
<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">40 * (6/5)</gadget>
<output>48</output>

<result>48</result>