book with 240 pages, Xiao Ming read it in three days, on the first day (1/8), the ratio of the number of pages read on the second day to the number of pages read on the third day is 3:7, and on the third day How many pages?
一本书240页，小明分三天看完，第一天看了(1/8)，第二天看的页数与第三天看的页数之比是3：7，第三天看了多少页？
<gadget id="calculator">1 / 8</gadget>
<output>1/8 = around 0.125</output>

<gadget id="calculator">1 - (1/8)</gadget>
<output>7/8 = around 0.875</output>

<gadget id="calculator">3 + 7</gadget>
<output>10</output>

<gadget id="calculator">7 / 10</gadget>
<output>7/10 = around 0.7</output>

<gadget id="calculator">240 * (7/8) * (7/10)</gadget>
<output>147</output>

<result>147</result>