What was the question for this implicit rationale, and corresponding answer?
Anne's male cat weighs 2 x 2 = 4 kilograms. Thus, Anne is carrying a total of 2 + 4 = 6 kilograms when she carries both of them.
 The answer: 6
The question: Anne's female cat weighs 2 kilograms. Her male cat is two times heavier. If Anne is going to carry both of them, how many kilograms is she carrying?