A Gas Has an Initial Volume of 3

A gas has an initial volume of 3.00 m³.It is expanded to four times its original volume through a quasi-static process for which P = a V ²,with a = 6.00 N/m⁸.How much work is done by the expanding gas?

A) 0.975 kJ
B) 1.28 kJ
C) 1.87 kJ
D) 2.24 kJ
E) 3.40 kJ