A book has 120 pages in total. Xiao Ming reads (1/5) of the total pages on the first day and (1/3) of the total pages on the second day. How many pages are left?
一本书共120页，小明第一天看了总页数的(1/5)，第二天看了总页数的(1/3)，还剩多少页？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">1 / 3</gadget>
<output>1/3 = around 0.333333</output>

<gadget id="calculator">1 - (1/5) - (1/3)</gadget>
<output>7/15 = around 0.466667</output>

<gadget id="calculator">120 * (7/15)</gadget>
<output>56</output>

<result>56</result>