It is a kind of pesticide, which is made up of liquid medicine and water according to the ratio of 1:1500. Existing 540 kilograms of water, how many kilograms of this pesticide can be prepared after adding the liquid medicine in proportion?
一种农药，用药液和水按照1：1500配制而成．现有540千克的水，按比例加入药液后可配制出多少千克这种农药？
<gadget id="calculator">1 / 1_500</gadget>
<output>1/1_500 = around 0.000667</output>

<gadget id="calculator">(1/1_500) * 540</gadget>
<output>9/25 = around 0.36</output>

<gadget id="calculator">540 + (9/25)</gadget>
<output>13_509/25 = around 540.36</output>

<result>13_509/25 = around 540.36</result>