<image> As shown in the figure, $$AC$$ and $$BD$$ intersect at $$P$$, $$AD$$ and $$BC$$ are extended to meet at point $$E$$, $$∠AEC = 37^{\circ}$$ and $$∠CAE = 31^{\circ}$$. Then the degree of $$∠APB$$ is ______.