The side length of a square table is 60 cm, and a piece of glass with the same size as the table top should be equipped with it. What is the area of the glass?
一张方桌的边长是60厘米，要配上一块与桌面同样大的玻璃，这块玻璃的面积应为多少？
<gadget id="calculator">60 * 60</gadget>
<output>3_600</output>

<result>3_600</result>