My employer's open office is so loud. They literally just built a new one, bragged about how great the design is, and it has the same problems as the old one.

My employer's open office is so loud. They literally just built a new one, bragged about how great the design is, and it has the same problems as the old one. How am I suppose to work when I can hear every sound made by 100 other people? At least divide things up into team size rooms.