There are 2,702 species of fish in my country, which is 3.5% less than before. How many species of fish are there in my country?
我国现有鱼类2702种，比原来减少3.5%，原来我国有鱼类多少种．
<gadget id="calculator">3.5 / 100</gadget>
<output>0.035</output>

<gadget id="calculator">1 - 0.035</gadget>
<output>0.965</output>

<gadget id="calculator">2_702 / 0.965</gadget>
<output>2_800</output>

<result>2_800</result>