Pineapple Surprise Cake - cooking recipe

Ingredients

1 box yellow Duncan Hines cake mix
1 large can pineapple and syrup
1 small can mandarin oranges, drained and cut
3 eggs
2/3 c. oil

Preparation

Mix by hand and pour into a 13 x 9-inch pan.
Bake at 350\u00b0 for 35 to 40 minutes.