car travels a total of 192KM in the first 3 hours and a total of 58KM in the next 2 hours. What is the average speed of this car?
一辆汽车前3小时共行192KM，后2小时共行58KM，那么这辆车的平均行驶速度是多少？
<gadget id="calculator">192 + 58</gadget>
<output>250</output>

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

<gadget id="calculator">250 / 5</gadget>
<output>50</output>

<result>50</result>