A square orchard with a side length of 200 meters, if the orchard is to be surrounded by fences, and the fence is 9 yuan per meter, how much is the total cost?
一个正方形果园，边长是200米，如果要用篱笆将果园的四周围起来，每米篱笆9元，一共需要多少元？
<gadget id="calculator">4 * 200 * 9</gadget>
<output>7_200</output>

<result>7_200</result>