A parallelogram nursery, the base is 8.6 meters long, the height is half of the base, and 1849 seedlings are planted. How much land does each seedling occupy on average?
一个平行四边形的苗圃，底长8.6米，高是底的一半，种了1849棵苗，平均每棵苗占地多少？
<gadget id="calculator">8.6 / 2</gadget>
<output>4.3</output>

<gadget id="calculator">4.3 / 1_849</gadget>
<output>0.002326</output>

<gadget id="calculator">8.6 * 0.002326</gadget>
<output>0.020004</output>

<result>0.020004</result>