A chicken farm uses 2800 eggs to hatch chicks, but 5% of them fail to hatch. How many chicks are hatched?
养鸡场用2800个鸡蛋孵小鸡，结果有5%没有孵出来，孵出多少只小鸡．
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">2_800 * (19/20)</gadget>
<output>2_660</output>

<result>2_660</result>