If 'a' is 8 then 6*8 -8 = 40
Maintenance procedures for the aerial refueling system
The Audi A8 price ranges from $78,750 (base price of a 2012 Audi A8 NWB 4.2 FSI) to $169,202 (fully loaded A8 W12 6.3 FSI).
In Excel, for example, if you write (A3,A8), the computer only takes cells A3 and A8, whereas if you write (A3;A8), it takes every cell between A3 and A8 (A3, A4, A5, A6, A7, A8).
The A8 easily
The 2010 Audi A8 has 32 valves.
The 2010 Audi A8 has a V8 engine.
The 2013 Audi A8 has a V6 engine.
The 2005 Audi A8 has a V8 engine.
The 2008 Audi A8 has a V8 engine.
The 2003 Audi A8 has 40 valves.
The 2014 Audi A8 has a V6 engine.
The 2012 Audi A8 has a V8 engine.