Find the area of the region bounded by ${x^2} = 4y,y = 2,$$y = 4$ and the $y$-axis in the first quadrant [ NCERT Ex. 8.1, Q.3,Page 366]

Find the area of the region bounded by ${x^2} = 4y,y = 2,$$y = 4$ and the $y$-axis in the first quadrant [ NCERT Ex. 8.1, Q.3,Page 366]