A book has 180 pages. Xiao Ming reads 60 pages on the first day, and reads (1/4) of the whole book on the second day. What fraction of the whole book is read in two days?
一本书180页，小明第一天看了60页，第二天看了全书的(1/4)，两天一共看了全书的几分之几？
<gadget id="calculator">60 / 180</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 / 4</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/3) + (1/4)</gadget>
<output>7/12 = around 0.583333</output>

<result>7/12 = around 0.583333</result>