A park places potted flowers around a square lawn. If there are 25 pots on each side (one pot is placed at each of the four top corners), how many potted flowers are needed in total?
某公园在一块正方形草坪四周摆放盆花，要使每边都放25盆(4个顶角各放1盆)，一共要多少盆花？
<gadget id="calculator">25 * 4</gadget>
<output>100</output>

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

<result>96</result>