A car drives from place A to place B at a speed of 55 kilometers per hour. It takes 6 hours. It takes 1 hour less to return along the original road. What is the speed when returning?
一辆汽车从甲地开往乙地，去时速度是每小时行55千米，共用了6小时，沿原路返回时少用了1小时，返回时的速度是多少？
<gadget id="calculator">6 - 1</gadget>
<output>5</output>

<gadget id="calculator">6 / 5</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">55 * (6/5)</gadget>
<output>66</output>

<result>66</result>