The osmotic pressure of blood is 7.47 bar at 300 K. To inject glucose to a patient intravenously, it has to be isotonic with blood. The concentration of glucose solution in gL^$-$1 is _____________.

(Molar mass of glucose = 180 g mol^$-$1, R = 0.083 L bar K^$-$1 mol^$-$1) (Nearest integer)