On Sunday, Lele's family drove from downtown Qingdao to Jiaonan for an outing. It took 60 kilometers per hour to go there, 1.5 hours to arrive, and 1.2 hours to return. How many kilometers per hour did the car travel on average when returning?
周日，乐乐一家开车从青岛市区去胶南郊游．去时每小时行60千米，1.5小时到达，返回时用了1.2小时．返回时汽车平均每小时行多少千米？
<gadget id="calculator">1.5 / 1.2</gadget>
<output>1.25</output>

<gadget id="calculator">60 * 1.25</gadget>
<output>75</output>

<result>75</result>