Zhang Peng is reading a book. I read 20% of the whole book on the first day, and read 10% more on the second day than on the first day. What percentage of the book did you read the next day?
张鹏看一本书．第一天看了全书的20%，第二天比第一天多看了10%．第二天看了全书的百分之几？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">10 / 100</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">(1/5) * (11/10)</gadget>
<output>11/50 = around 0.22</output>

<result>11/50 = around 0.22</result>