A total of 2,400 eggs were hatched, and the hatching rate of this batch of eggs was about 95%. How many eggs failed to hatch chicks?
共孵出2400个鸡蛋，这批鸡蛋的孵化率约是95%，大约有多少个鸡蛋不能孵出小鸡？
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">1 - (19/20)</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">2_400 * (1/20)</gadget>
<output>120</output>

<result>120</result>