A person rides a motorcycle for 96 kilometers at a speed of 32 kilometers per hour and travels 48 kilometers per hour when he comes back. What is the average speed of this person in kilometers per hour for the whole trip?
一人骑摩托车以每小时32千米的速度行驶了96千米，回来时每小时行驶48千米，这人往返全程的平均速度是每小时多少千米．
<gadget id="calculator">96 * 2</gadget>
<output>192</output>

<gadget id="calculator">96 / 32</gadget>
<output>3</output>

<gadget id="calculator">96 / 48</gadget>
<output>2</output>

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

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

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