The area of a square land is 20 square meters, and the area increased by (1/10) after renovation. How many square meters is the area of this square?
一块正方形地的面积是20平方米，整修后面积增加了(1/10)．这时这块正方形地的面积是多少平方米？
<gadget id="calculator">1 / 10</gadget>
<output>1/10 = around 0.1</output>

<gadget id="calculator">1 + (1/10)</gadget>
<output>11/10 = around 1.1</output>

<gadget id="calculator">20 * (11/10)</gadget>
<output>22</output>

<result>22</result>