A ship sails from port A to port B, travels 32 kilometers per hour, and arrives in 6 hours. It took 5 hours to return from port B to port A. How many kilometers per hour did the average travel on the return trip? (Answer with proportional knowledge)
一艘轮船从甲港开往乙港，每小时行32千米，6小时到达．从乙港返回甲港时用了5小时，返回时平均每小时行多少千米？(用比例知识解答)
<gadget id="calculator">32 * 6</gadget>
<output>192</output>

<gadget id="calculator">192 / 5</gadget>
<output>192/5 = around 38.4</output>

<result>192/5 = around 38.4</result>