2007 minus half of it, then minus the remaining three, until the remaining one in 2007. What's the answer?

2007 minus half of it, then minus the remaining three, until the remaining one in 2007. What's the answer?

The answer is 2007 × 1 / 2 × 2 / 3 × 3 / 4 2006/2007=2007×1/2007=1