Uncle Wang, a professional chicken farmer, hatched chickens with 2,400 eggs. As a result, 5% of the eggs did not hatch chicks. How many chicks did they hatch?
养鸡专业户王叔叔用2400个鸡蛋孵小鸡，结果有5%的鸡蛋没有孵出小鸡，孵出了多少只小鸡？
<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_400 * (19/20)</gadget>
<output>2_280</output>

<result>2_280</result>