Let's assume that the price of crude oil is $37.00 per barrel. At 19.5 gallons of gasoline per barrel, this means that a gallon of gasoline in its crude oil form costs $1.90.
Johnny Tillotson is 77 years old (birthdate: April 20, 1939).
Till is not a shortened form of until and is not spelled 'till. 'Til is usually considered a spelling error, though widely used in advertising: Open 'til ten. till O.E. til (Northumbrian), from O.N. til from P.Gmc.