The area of an orange orchard is 4 hectares. If each orange tree covers an area of 5 square meters and each tree can harvest 40 kilograms of oranges, how many kilograms of oranges can this orange orchard harvest?
桔园的面积是4公顷，如果每棵桔树占地5平方米，每棵树能收桔子40千克，这个桔园能收桔子多少千克？
<gadget id="calculator">40 * 1_000</gadget>
<output>40_000</output>

<gadget id="calculator">40_000 / 5</gadget>
<output>8_000</output>

<gadget id="calculator">8_000 * 40</gadget>
<output>320_000</output>

<result>320_000</result>