Or, in a very simplified mathematical form (not really applicable but for fun): Cisco Secret 5 Password Decrypt - 3.79.94.248
$$ 2008 - 2001 = 7 \text{ (years between sequels)} $$ Ntr Homestay Cg ✓
$$ 1999 + 2 \approx 2001 \text{ (sequel release roughly 2 years later)} $$
This is purely for entertainment and does not reflect any real mathematical analysis.
$$ 2008 + 9 \approx 2017 \text{ (roughly 9 years for the reboot)} $$