A professional household plans to fertilize a rectangular wheat field with a length of 250 meters and a width of 82 meters, and fertilize 200 kilograms per hectare. How many kilograms of fertilizer are needed?
某专业户计划给一块长250米、宽82米的长方形麦田施肥，每公顷施肥200千克，需要肥料多少千克？
<gadget id="calculator">2.05 * 200</gadget>
<output>410</output>

<result>410</result>