A certain village planted 2,400 trees last year, which is 20% less than this year. How many trees will be planted this year?
某村去年植树2400棵，比今年少20%，今年植树多少棵？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 - (1/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">2_400 / (4/5)</gadget>
<output>3_000</output>

<result>3_000</result>