A rectangular forest park is 3 kilometers long and 2 kilometers wide. Next to it is a square pasture with a side length of 800 meters. How many hectares is the forest park larger than the pasture?
一个长方形森林公园长3千米，宽2千米．它旁边有一个边长800米的正方形牧场，森林公园的面积比牧场面积大多少公顷？
<gadget id="calculator">3 * 2 * 100</gadget>
<output>600</output>

<gadget id="calculator">800 / 10_000</gadget>
<output>2/25 = around 0.08</output>

<gadget id="calculator">800 * (2/25)</gadget>
<output>64</output>

<gadget id="calculator">600 - 64</gadget>
<output>536</output>

<result>536</result>