怎样算出下期和值

简介：A few minutes later, when a KTV girl delivering drinks pushed open the door to the private room, she instinctively smiled and was about to speak. She couldn't help but be stunned when she saw the scene in the private room. I saw that the entire private room was in a mess, the sofa had fallen over, many people were lying around, and there were pools of dazzling blood on the ground.