There is a square lawn with a side length of 25 meters in the park square. If each square meter of lawn requires 4 kilograms of water per day, how many kilograms of water does this lawn need per day?
公园广场有一块边长为25米的正方形草坪，如果每平方米草坪每天需要浇4千克水，这块草坪每天大约需要浇多少千克水？
<gadget id="calculator">25 * 25 * 4</gadget>
<output>2_500</output>

<result>2_500</result>