Xiaoxiao enters a manuscript, and there are 800 characters left after entering (3/8). How many words are there in this manuscript?
笑笑录入一份稿件，录入了(3/8)后还剩800个字，这份稿件共有多少字？
<gadget id="calculator">3 / 8</gadget>
<output>3/8 = around 0.375</output>

<gadget id="calculator">1 - (3/8)</gadget>
<output>5/8 = around 0.625</output>

<gadget id="calculator">800 / (5/8)</gadget>
<output>1_280</output>

<result>1_280</result>