Rule system

[It is known that Lin Xiaoqing, the school flower, can carry 80 catties of heavy objects. What is the arm strength of Lin Xiaoqing? ]

A: 49 pounds left arm, right arm 67 pounds.

[It is known that one plus one equals two. What is the result of multiplying 491 by 709? ]

Answer: 348119.

Other people’s logic is derivation; my logic is causation. When a difficult question is asked, the answer is already obvious.

process?

Sorry, the result is important!