In 2005, the average house price in a certain city was 5,000 yuan per square meter, and it rose to 6,000 yuan in the same period in 2006. How much did the house price increase?
2005年某城市房价平均每平方米5000元，2006年同期涨到6000元，房价涨了百分之几？
<gadget id="calculator">6_000 - 5_000</gadget>
<output>1_000</output>

<gadget id="calculator">1_000 / 5_000</gadget>
<output>1/5 = around 0.2</output>

<result>1/5 = around 0.2</result>