A certain village planted 2,400 trees last year, and this year it is 20% more than last year. How many trees were planted this year and last year?
某村去年植树2400棵，今年比去年多20%，今年和去年一共植树多少课？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 + (1/5)</gadget>
<output>6/5 = around 1.2</output>

<gadget id="calculator">2_400 * (6/5)</gadget>
<output>2_880</output>

<gadget id="calculator">2_880 + 2_400</gadget>
<output>5_280</output>

<result>5_280</result>