The distance between A and B is 48 kilometers. A person rides a bicycle from A to B. When going there, he travels 16 kilometers per hour, and when he returns, he speeds up and travels 24 kilometers per hour. How many kilometers per hour does he travel on average for one round trip? ?
甲乙两地相距48千米，某人骑自行车从甲地到乙地，去时每小时行16千米，回来时加快了速度每小时行24千米，他往返一次平均每小时行多少千米？
<gadget id="calculator">48 + 48</gadget>
<output>96</output>

<gadget id="calculator">48 / 16</gadget>
<output>3</output>

<gadget id="calculator">48 / 24</gadget>
<output>2</output>

<gadget id="calculator">3 + 2</gadget>
<output>5</output>

<gadget id="calculator">96 / 5</gadget>
<output>96/5 = around 19.2</output>

<result>96/5 = around 19.2</result>