square meter of broad-leaved forest absorbs about 0.1 kg of carbon dioxide and releases 0.073 kg of oxygen every day during the growing season. The total area of this broad-leaved forest is 1000 square meters. Please ask a mathematical question and answer it.
1平方米阔叶林在生长季节，每天大约吸收0.1千克二氧化碳，释放0.073千克氧气，这片阔叶林共1000平方米，请提出一个数学问题，并解答出来．
<gadget id="calculator">1_000 * 0.1</gadget>
<output>100</output>

<result>100</result>