Last year, the per capita housing area in a certain city was 24 square meters. This year, the per capita housing area has decreased by 5% compared with last year. What is the per capita housing area in this city this year?
某市去年人均住房面积为24平方米，今年人均住房面积比去年减少了5%，该市今年人居住房面积是多少平方米？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 - (1/20)</gadget>
<output>19/20 = around 0.95</output>

<gadget id="calculator">24 * (19/20)</gadget>
<output>114/5 = around 22.8</output>

<result>114/5 = around 22.8</result>