The hatchery hatched 285 chicks with a batch of eggs, and the hatching rate reached 95%. How many eggs are there?
孵化场用一批鸡蛋孵化出285只小鸡，孵化率达到95%，鸡蛋有多少只？
<gadget id="calculator">95 / 100</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">285 / (19/20)</gadget>
<output>300</output>

<result>300</result>