Since a certain province started offering advice and suggestions to the leaders, a total of 2,000 people have left messages, including farmers (8/25) and workers and cadres (9/40). How many farmers, workers, and cadres have offered advice and suggestions to the leaders this time?
某省自开展向领导建言献策以来，共有2000人留言，其中农民占(8/25)，工人、干部占(9/40)，这次向领导建言献策的农民、工人、干部共有多少人？
<gadget id="calculator">8 / 25</gadget>
<output>8/25 = around 0.32</output>

<gadget id="calculator">2_000 * (8/25)</gadget>
<output>640</output>

<gadget id="calculator">9 / 40</gadget>
<output>9/40 = around 0.225</output>

<gadget id="calculator">2_000 * (9/40)</gadget>
<output>450</output>

<gadget id="calculator">640 + 450</gadget>
<output>1_090</output>

<result>1_090</result>