Preheat oven to 180ºC Grease 25 cm tube pan. Combine cake mix, almonds and cinnamon in a large bowl. Beat eggs slightly; stir in oil, almond extract, bananas and pineapple. Add to dry ingredients and mix with spoon; do not beat. Pour into pan. Bake for 45-55 minutes or until tested done. If desired, top cake with confectioners'sugar.