Fruity Cake

1 Yellow cake mix
½ cup oil
4 Eggs
1 Small can mandarin oranges with juice
Mix ingredients listed above according to directions on package. Bake in a greased and floured 9 x 13 pan according to directions on package.
TOPPING:
1 Small vanilla instant pudding
1 - 8 oz. Can crushed pineapple with juice
1 - 8 oz. Cool Whip
Mix pudding and pineapple together and then fold in Cool Whip.