The square table is a square, its perimeter is 220 decimeters, what is its area?
方桌是一个正方形，它的周长是220分米，它的面积是多少？
<gadget id="calculator">220 / 4</gadget>
<output>55</output>

<gadget id="calculator">55 * 55</gadget>
<output>3_025</output>

<result>3_025</result>