After a chicken farm sells (2/5) of the total number of broilers, there are still 1500 broilers left. How many broilers does this chicken farm have?
一个养鸡场卖出肉鸡总只数的(2/5)后，还剩1500只，这个养鸡场原有肉鸡多少只？
<gadget id="calculator">2 / 5</gadget>
<output>2/5 = around 0.4</output>

<gadget id="calculator">1 - (2/5)</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">1_500 / (3/5)</gadget>
<output>2_500</output>

<result>2_500</result>