Each square meter of broad-leaved forest can produce 75 grams of oxygen per day, which is 5 times that of each square meter of grassland. How many grams of oxygen can be produced per square meter of grassland per day?
每平方米阔叶林每天能制造75克氧气，是每平方米草地每天制造氧气的5倍，每平方米草地每天能制造多少克氧气？
<gadget id="calculator">75 / 5</gadget>
<output>15</output>

<result>15</result>