sentences:  Wartime Japanese casualty estimates vary from these figures, though, claiming to have killed 1,800 Australians, while placing their own losses at 280 killed and 320 wounded.Long argues that these figures are problematic, as based upon the same report, the Japanese believed that there were only 400 Australians in the region during the battle, and yet they claimed to have killed almost five times that number.The result of the battle had a profound effect on the Japanese commanders.