JEE Main 2014 Mathematics question on Definite Integrals and Areas

The common tangents to the circle $x^2 + y^2 = 2$ and the parabola $y^2 = 8x$ touch the circle at the points $P, Q$ and the parabola at the points $R, S$. Then, the area (in sq units) of the quadrilateral $PQRS$ is