There is a square lawn, and a path with a width of 1 meter is built along the perimeter of the lawn. The area of the road is 100 square meters. Find the area of the lawn.
有一个正方形的草坪，沿草坪四周向外修建一条1米宽的小路，路面面积是100平方米，求草坪的面积．
<gadget id="calculator">1 * 1 * 4</gadget>
<output>4</output>

<gadget id="calculator">100 - 4</gadget>
<output>96</output>

<gadget id="calculator">96 / 4 / 1</gadget>
<output>24</output>

<gadget id="calculator">24 * 24</gadget>
<output>576</output>

<result>576</result>