In 2001, there were 2,000 wild red-crowned cranes in the world, and my country accounted for 25% of them. How many are there in other countries?
2001年世界野生丹顶鹤共2000只，我国占其中的25%，其他国家共有多少只？
<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">1 - (1/4)</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">2_000 * (3/4)</gadget>
<output>1_500</output>

<result>1_500</result>