A 68-meter-long fence is built around a square orchard. What is the area of the square orchard in square meters?
一块正方形果园的四周围上了长68米的篱笆，这块正方形果园的面积是多少平方米？
<gadget id="calculator">68 / 4</gadget>
<output>17</output>

<gadget id="calculator">17 * 17</gadget>
<output>289</output>

<result>289</result>