Forest farm workers accepted the task of planting 2,500 pine saplings. Before the start of work, the workers carefully studied and improved the past planting methods. The work efficiency increased by 50% compared with the original one. The final completion was (5/3) days earlier than expected. How many trees to plant?
林场工人接受了种植2500棵松树苗的任务，开工前工人们仔细研究改进了过去的种植方式，工作效率比原来提高了50%，最后完工时比预计提前(5/3)天，原计划每天植树多少棵？
<gadget id="calculator">5 / 3</gadget>
<output>5/3 = around 1.666667</output>

<gadget id="calculator">50 / 100</gadget>
<output>1/2 = around 0.5</output>

<gadget id="calculator">1 + (1/2)</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">(3/2) / 1</gadget>
<output>3/2 = around 1.5</output>

<gadget id="calculator">1 / (3/2)</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">1 - (2/3)</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">(5/3) / (1/3)</gadget>
<output>5</output>

<gadget id="calculator">2_500 / 5</gadget>
<output>500</output>

<result>500</result>