An angle is drawn on a set of equally spaced parallel lines as shown. The ratio of the area of shaded region \(\mathcal{C}\) to the area of shaded region \(\mathcal{B}\) is 11/5. Find the ratio of shaded region \(\mathcal{D}\) to the area of shaded region \(\mathcal{A}.\)

(第二十四届AIME1 2006 第7题)