A car transported disaster relief materials to the mountainous area, traveling 65 kilometers per hour, and arrived at the destination in 6 hours. It took 5 hours to return, what was the return speed?
一辆汽车往山区运送救灾物资，每小时行65千米，行了6小时到过目的地．返回时用了5小时，返回的速度是多少？
<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">65 * (6/5)</gadget>
<output>78</output>

<result>78</result>