Typist Xiao Li typed a document, and he has already typed 3000 characters, which is 60 characters less than (3/4) of this document. How many words are in this document?
打字员小李打一份文件，已经打了3000个字，比这份文件的(3/4)还少60个字．这份文件有多少个字？
<gadget id="calculator">3_000 + 60</gadget>
<output>3_060</output>

<gadget id="calculator">3 / 4</gadget>
<output>3/4 = around 0.75</output>

<gadget id="calculator">3_060 / (3/4)</gadget>
<output>4_080</output>

<result>4_080</result>