In the following reaction sequence, the major product P is formed.

Glycerol reacts completely with excess
P in the presence of an acid catalyst to form
Q. Reaction of
Q with excess NaOH followed by the treatment with CaCl
2 yields Ca-soap
R, quantitatively. Starting with one mole of
Q, the amount of
R produced in gram is ______.
[Given, atomic weight: H = 1, C = 12, N = 14, O = 16, Na = 23, Cl = 35, Ca = 40]