In the sixth national census, the resident population of Yangzhou City was 4.46 million, 240,000 more than that in the fifth national census 10 years ago. What was the permanent population of Yangzhou in the fifth national census? (column equation solution)
第六次全国人口普查中扬州市常住人口446万，比10年前第五次全国人口普查时多了24万．第五次全国人口普查时扬州市常住人口是多少万？(列方程解答)
<gadget id="calculator">446 - 24</gadget>
<output>422</output>

<result>422</result>