This year, the per capita public green area in Beijing is 12 square meters, and it is expected to increase by 5% next year. What is the estimated per capita public green area in Beijing next year?
今年北京市人均公共绿地面积是12平方米，预计明年比今年增加5%，预计明年北京市人均公共绿地面积是多少平方米？
<gadget id="calculator">5 / 100</gadget>
<output>1/20 = around 0.05</output>

<gadget id="calculator">1 + (1/20)</gadget>
<output>21/20 = around 1.05</output>

<gadget id="calculator">12 * (21/20)</gadget>
<output>63/5 = around 12.6</output>

<result>63/5 = around 12.6</result>