Mandarin Orange Pineapple Cake

1 package golden butter cake mix
11 oz. can mandarin oranges (do NOT drain juice)
3/4 cup oil
4 eggs
1 tsp. orange extract

FROSTING
13 1/2 oz. cool whip
3 oz. instant vanilla pudding (dry)
20 oz. can crushed pineapple


Mix cake mix with mandarin oranges and juice and oil. Add eggs one at a time. Mix well. Grease and flour 3 8-inch cake pans. Divide batter evenly between pans. Bake at 350 degrees for 20-25 min. Cool thoroughly.
Mix cool whip, pudding and crushed pineapple with some juice. Return to refrigerator for 10 min. Frost cake and keep refrigerated.