When Wang Lin read a book, he read the entire book on the first day (2/9), and read more of the book on the second and third day than on the first day (4/27). How much?
王林看一本书，第一天看了全书的(2/9)，第二天和第三天都比第一天多看全书的(4/27)，三天一共看了全书的几分之几？
<gadget id="calculator">2 / 9</gadget>
<output>2/9 = around 0.222222</output>

<gadget id="calculator">4 / 27</gadget>
<output>4/27 = around 0.148148</output>

<gadget id="calculator">(2/9) + (2/9) + (4/27) + (2/9) + (4/27)</gadget>
<output>26/27 = around 0.962963</output>

<result>26/27 = around 0.962963</result>