Two people are doing typesetting work together, A plans to do this work (7/12), but A completes the task first, and typeset 24 pages for B. At this time, the ratio of the number of pages they typeset is 5:3. How many pages are there in this typesetting?
两人一起做排版工作，甲计划做这工作的(7/12)，但甲先完成任务，又替乙排了24页，这时他们排版的页数比是5：3．这次排版共有多少页？
<gadget id="calculator">5 + 3</gadget>
<output>8</output>

<gadget id="calculator">5 / 8</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">7 / 12</gadget>
<output>7/12 = around 0.583333</output>

<gadget id="calculator">(5/8) - (7/12)</gadget>
<output>1/24 = around 0.041667</output>

<gadget id="calculator">24 / (1/24)</gadget>
<output>576</output>

<result>576</result>