Methods and picking devices for storing a plurality of identical piece goods in the picking device in which the number of identical piece goods is automatically detected are provided. Multiple piece goods are placed in a support area of a storage device and a determination that a last piece good has been placed is made. Upon detection, the piece goods are moved into a removal area of the storage device and a gripping apparatus of an operating unit moves into the removal area, grasps the piece goods, and moves them from the removal area onto a support table of the operating unit. The number of piece goods situated in the support area is determined based on piece goods data and size data of the piece goods that are detected with a sensor system, after it has been detected that a last piece good has been placed in the support area.