The dose of drug "x" for patients with impaired renal function is adjusted to ensure therapeutically optimal dosage. If the normal daily dose of the drug for adults is 3 mg/kg/day, administered every 6 hours, what would be the single dose (in mg) for a patient that is 5 feet 8 inches tall, weighs 68 kg and scheduled to receive a 40% reduction of the usual dose, based on renal impairment? Report your answer as a whole number.