A 72-year-old female patient with a history of chronic gastrointestinal conditions is admitted to the hospital for management of severe malnutrition. Her physician orders Total Parenteral Nutrition (TPN) with a macronutrient composition designed to provide total daily caloric needs. The TPN solution is calculated to contain 2000 kcal per day, with a distribution of carbohydrates providing 50% of the total caloric intake.
Fill in the blank with the number of kilocalories (kcal) provided by carbohydrates in the TPN. The answer should be represented as both a decimal and a fraction.
______ kcal from carbohydrates.