The previous year’s income of Hongxing Orchard was 35,000 yuan, and last year’s income was 37,000 yuan. There are 800 fruit trees in the orchard. How much is the average income per tree in two years?
红星果园前年收入35000元，去年收入37000，果园有果树800棵，两年平均每棵树收入多少元？
<gadget id="calculator">35_000 + 37_000</gadget>
<output>72_000</output>

<gadget id="calculator">72_000 / 800</gadget>
<output>90</output>

<result>90</result>