Xiaogang has a book with a total of 72 pages. He read the whole book (1/6) on the first day and the rest (2/3) on the second day. How many pages did he read in total in two days?
小刚有一本书共72页，第一天看了全书的(1/6)，第二天看了剩下的(2/3)，两天共看了几页？
<gadget id="calculator">1 / 6</gadget>
<output>1/6 = around 0.166667</output>

<gadget id="calculator">1 - (1/6)</gadget>
<output>5/6 = around 0.833333</output>

<gadget id="calculator">2 / 3</gadget>
<output>2/3 = around 0.666667</output>

<gadget id="calculator">(5/6) * (2/3)</gadget>
<output>5/9 = around 0.555556</output>

<gadget id="calculator">(1/6) + (5/9)</gadget>
<output>13/18 = around 0.722222</output>

<gadget id="calculator">72 * (13/18)</gadget>
<output>52</output>

<result>52</result>