Chemical Thermodynamics Part 3

A perfect gas (0.1‌mol) having Cv=1.50R (independent of temperature) undergoes the above transformation from point 1 to point 4 . If each step is reversible, the total work done (w) while going from point 1 to point 4 is (-) ____ J
(nearest integer)
[Given: R=0.082L‌atm‌K−1‌mol−1 ]