Xiaogang has a science and technology book with 60 pages in total. He read the whole book (1/5) on the first day, and 60% of the whole book on the second day. How many pages should he read on the third day?
小刚有一本科技书共60页，第一天看了全书的(1/5)，第二天看了全书的60%，第三天应从第多少页看．
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">60 / 100</gadget>
<output>3/5 = around 0.6</output>

<gadget id="calculator">(1/5) + (3/5)</gadget>
<output>4/5 = around 0.8</output>

<gadget id="calculator">60 * (4/5)</gadget>
<output>48</output>

<gadget id="calculator">48 + 1</gadget>
<output>49</output>

<result>49</result>