A triangular nursery with a base length of 80m and a height of 35m. Chrysanthemum seedlings are planted in the nursery. Each chrysanthemum seedling covers an area of 0.2 square meters. How many chrysanthemum seedlings are needed for this flower garden?
一个三角形苗圃，底长80m，高35m，在圃中栽种菊花苗，每棵菊花苗占地0.2平方米，这块花圃共需多少棵菊花苗？
<gadget id="calculator">35 / 2 / 0.2</gadget>
<output>87.5</output>

<gadget id="calculator">80 * 87.5</gadget>
<output>7_000</output>

<result>7_000</result>