Subtract its (1/2) from 2004, then subtract the remaining (1/3), then subtract the remaining (1/4)... until the best remaining (1/2004) is subtracted, the final result how many.
将2004减去它的(1/2)，再减去余下的(1/3)，再减去余下的(1/4)…直至减去最好剩下的(1/2004)，最后结果是多少．
<result>1</result>