There were originally over 80,000 people inside the city of Luoyang. If calculated based on a casualty ratio of 1:3, for every defender killed, the attacking side would lose at least three.
Could it be that Feng Changqing and the others used 20,000 men to wipe out 60,000 of the enemy?
Si Ren found this number somewhat bizarre. An Lushan's massive army had not been attacking Luoyang for long—at most no more than three days.
Chapter 738