There is a square grassland in Qingqing Grass Garden, with a side length of 300 meters, if it can raise 999 sheep. On average, how many sheep can be raised per hectare of grassland?
青青草园有一块正方形的草地，边长是300米，如果能养999只羊．平均每公顷草地能养多少只羊？
<gadget id="calculator">300 / 10_000</gadget>
<output>3/100 = around 0.03</output>

<gadget id="calculator">300 * (3/100)</gadget>
<output>9</output>

<gadget id="calculator">999 / 9</gadget>
<output>111</output>

<result>111</result>