The sixth grade students collected tree species. There were 45 people in the June 1st class, and a total of 104 kilograms of tree species were collected; 47 people in the June 2nd class, a total of 126 kg of tree species were collected. How many kilograms of tree species did each person collect on average in these two classes?
六年级同学采集树种．六一班45人，共采集树种104千克；六二班47人，共采集树种126千克．这两个班平均每人采集树种多少千克？
<gadget id="calculator">104 + 126</gadget>
<output>230</output>

<gadget id="calculator">45 + 47</gadget>
<output>92</output>

<gadget id="calculator">230 / 92</gadget>
<output>5/2 = around 2.5</output>

<result>5/2 = around 2.5</result>