The ecological environment of a scenic spot has improved, and there are more birds. There are 456 wild ducks, three times the number of mandarin ducks, and four times the number of mandarin ducks, how many egrets are there?
某景点的生态环境改善了，小鸟多了起来，野鸭有456只，是鸳鸯的3倍，鸳鸯数量是白鹭的4倍，白鹭有多少只？
<gadget id="calculator">456 / 3 / 4</gadget>
<output>38</output>

<result>38</result>