Fangfang typed a manuscript, and typed 20% of the total words of the manuscript in the morning and 25% of the total words of the manuscript in the afternoon, totaling 1350 words. How many words are there in this manuscript?
芳芳打一份稿件，上午打了这份稿件总字的20%，下午打了这份稿件总字的25%，一共打了1350个字．这份稿件一共有多少个字？
<gadget id="calculator">20 / 100</gadget>
<output>1/5 = around 0.2</output>

<gadget id="calculator">25 / 100</gadget>
<output>1/4 = around 0.25</output>

<gadget id="calculator">(1/5) + (1/4)</gadget>
<output>9/20 = around 0.45</output>

<gadget id="calculator">1_350 / (9/20)</gadget>
<output>3_000</output>

<result>3_000</result>