There are 3,600 poplar trees, 1,050 pagoda trees, and 1,350 silver fir trees planted in the forest park. On average, each tree covers an area of 12 square meters. How many hectares does this forest park occupy?
森林公园种杨树3600棵，槐树1050棵，银杉树1350棵，平均每棵树占地12平方米，这个森林公园占地多少公顷？
<gadget id="calculator">3_600 + 1_050 + 1_350</gadget>
<output>6_000</output>

<gadget id="calculator">12 / 10_000</gadget>
<output>3/2_500 = around 0.0012</output>

<gadget id="calculator">6_000 * (3/2_500)</gadget>
<output>36/5 = around 7.2</output>

<result>36/5 = around 7.2</result>