Hydrocarbons

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 CaCl2 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 ]