After reading a novel borrowed by Xiao Ming for two days, the number of unread pages is 3 times the number of pages he has read, and after reading 24 pages, the number of pages he has not read is 1.4 times the number of pages he has read. How many pages are there (solution by equation).
小明借来一本小说看了两天后，未看的页数是已看的页数的3倍，又看了24页，未看的页数是已看的页数的1.4倍，这本书有多少页(用方程解)．
<gadget id="calculator">24 * 3</gadget>
<output>72</output>

<gadget id="calculator">24 * 1.4</gadget>
<output>33.6</output>

<gadget id="calculator">24 * 1.4 * 3</gadget>
<output>100.8</output>

<gadget id="calculator">24 + 72 + 33.6 + 100.8</gadget>
<output>230.4</output>

<gadget id="calculator">3 - 1 - 1.4</gadget>
<output>0.6</output>

<gadget id="calculator">1 + 0.6</gadget>
<output>1.6</output>

<gadget id="calculator">230.4 / 1.6</gadget>
<output>144</output>

<result>144</result>