China Naming Network - Ziwei knowledge - 1539 digital feng shui
1539 digital feng shui
Solution: If 9 in one factor is regarded as 6 and 6 in ten is regarded as 9, it is (96-69) times more than the actual result.
So another factor is 1539÷(96-69)=57.
So the correct formula is: 57X69=3933.