Let x and y be real numbers satisfying x^{4} y^{5}+y^{4} x^{5}=810 and x^{3} y^{6}+y^{3} x^{6}=945. Evaluate 2 x^{3}+(x y)^{3}+2 y^{3}.
Let x and y be real numbers satisfying x^{4} y^{5}+y^{4} x^{5}=810 and x^{3} y^{6}+y^{3} x^{6}=945. Evaluate 2 x^{3}+(x y)^{3}+2 y^{3}.