Problem: anne bought doughnuts for a class breakfast party . she bought 12 chocolate doughnuts , 6 coconut doughnuts , and 8 jam - filled doughnuts . how many doughnuts did anne buy in all ?
Rationale: "add the numbers of doughnuts . 12 + 6 + 8 = 26 . answer is b ."
annotated_formula: add(add(12, 6), 8)