The side length of a square orchard is 500 meters. If you walk around the orchard, how many meters will you walk in total?
正方形果园的边长是500米，沿果园四周走一圈，一共走了多少米？
<gadget id="calculator">500 * 4</gadget>
<output>2_000</output>

<result>2_000</result>