The cyclist has been training on the bicycle for two days. On the first day, he trained for 4 hours and walked a total of 140 kilometers; on the second day, he spent the same amount of time and traveled a total of 180 kilometers. How many kilometers per hour did the team train on average in two days?
自行车运动员这两天进行骑车训练，第一天训练4小时，共行了140千米；第二天用了同样的时间，共行了180千米．这个车队两天训练平均每小时行多少千米？
<gadget id="calculator">140 + 180</gadget>
<output>320</output>

<gadget id="calculator">4 + 4</gadget>
<output>8</output>

<gadget id="calculator">320 / 8</gadget>
<output>40</output>

<result>40</result>