Xiaoxiao printed a manuscript. On the first day, she typed 28% of the total, and on the second day, she typed 30% of the total. In two days, she typed a total of 8,700 words. How many words are there in this manuscript?
笑笑打印一份稿件，第一天打了全部的28%，第二天打了全部的30%，两天共打字8700个，这份稿件共有多少个字？
<gadget id="calculator">28 / 100</gadget>
<output>7/25 = around 0.28</output>

<gadget id="calculator">30 / 100</gadget>
<output>3/10 = around 0.3</output>

<gadget id="calculator">(7/25) + (3/10)</gadget>
<output>29/50 = around 0.58</output>

<gadget id="calculator">8_700 / (29/50)</gadget>
<output>15_000</output>

<result>15_000</result>