Mandarin Orange and Pineapple Cake

This recipe happens to be a personal favorite of mine, and I highly recommend it to anyone reading this. Mandarin Orange Cake
1box yellow cake mix
11oz. can mandarin orange sections (do not drain)
4 eggs
1/2 cup oil
preheat oven to 350. Combine cake mix,mandarin oranges, eggs and oil. Mix well for 2 min. Pour into greased and floured 9x13 cake pan. Bake for 25-30 min. at 350.                                                                          Frosting
9oz. cool whip
small box instant vanilla pudding
1(15oz) can crushed pineapples, drained
mix well and spread on cooled cake.