When Xiao Ming reads a book, he reads the whole book (1/3) on the first day, and reads more (4/27) of the whole book on the second day than on the first day. How much of the whole book did you read in two days?
小明看一本书，第一天看了全书的(1/3)，第二天比第一天多看了全书的(4/27)．两天一共看了全书的几分之几？
<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

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

<gadget id="calculator">(1/3) + (4/27) + (1/3)</gadget>
<output>22/27 = around 0.814815</output>

<result>22/27 = around 0.814815</result>