A chicken farm uses 3600 eggs to incubate chickens, 15% of which are not hatched, how many chicks are hatched?
养鸡场用3600个鸡蛋孵小鸡，有15%没有孵出来，孵出来的小鸡有多少只？
<gadget id="calculator">15 / 100</gadget>
<output>3/20 = around 0.15</output>

<gadget id="calculator">1 - (3/20)</gadget>
<output>17/20 = around 0.85</output>

<gadget id="calculator">3_600 * (17/20)</gadget>
<output>3_060</output>

<result>3_060</result>