(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)=( )

(-2008)(1/2002-1)(1/2001-1)(1/2000-1).(1/1002-1)(1/1001-1)
=(-2008)(-2001/2002)(-2000/2001)(-1999/2000).(-1001/1002)(-1000/1001)
=(-2008)(1000/2002)
=-1004000/1001