Dongdong reads a 120-page story book. She reads (1/5) of the whole book on the first day and (1/4) of the whole book on the second day. How many pages are left?
冬冬看一本120页的故事书，第一天看了全书的(1/5)，第二天看了全书的(1/4)，还剩多少页没有看？
<gadget id="calculator">1 / 5</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">120 * (1/5)</gadget>
<output>24</output>

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

<gadget id="calculator">120 * (1/4)</gadget>
<output>30</output>

<gadget id="calculator">120 - 24 - 30</gadget>
<output>66</output>

<result>66</result>