peach orchard covers an area of 9 hectares. If each peach tree covers an area of 6 square meters and each peach tree can harvest 30 kilograms of peaches, how many kilograms of peaches can this orchard harvest in total?
一个桃园的占地面积是9公顷，如果每棵桃树占地6平方米，每棵桃树能收获30千克桃，这个果园一共能收获多少千克桃？
<gadget id="calculator">9 * 10_000</gadget>
<output>90_000</output>

<gadget id="calculator">90_000 / 6</gadget>
<output>15_000</output>

<gadget id="calculator">15_000 * 30</gadget>
<output>450_000</output>

<result>450_000</result>