Nanny'S Dump Cake
["1 can cherry pie filling", "1 can crushed pineapple with juice", "1 box Duncan Hines yellow cake mix (uncooked)", "1 bunch pecans, chopped up", "2 sticks margarine"]
["You will need a long pan, 2 1/2-inches deep, 13-inches long by 9-inches wide, metal (may have to cook longer)."]
["cherry pie filling", "pineapple", "cake mix", "pecans", "margarine"]