A square orchard has a side length of 380 meters. If a fence is used to surround the orchard, how long is the fence?
一个正方形果园，边长是380米，如果要用篱笆把果园的四周围起来，篱笆长多少米？
<gadget id="calculator">380 * 4</gadget>
<output>1_520</output>

<result>1_520</result>