Dongjie Village planted trees in spring. The survival rate of saplings was 80%, and 1,600 did not survive. How many trees were planted in Dongjie Village in spring?
东街村春季植树，树苗的成活率为80%，有1600棵没有成活，问东街村春季共植树多少棵？
<gadget id="calculator">80 / 100</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">1 - (4/5)</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1_600 / (1/5)</gadget>
<output>8_000</output>

<result>8_000</result>