SYSTEM COMPRISING A BEVERAGE PREPARATION MACHINE, METHOD, AND COMPUTER PROGRAM FOR ACTUATING SAME

A method for operation of a drinks preparation machine serves for creating a total product from a first part-product and at least a second part-product and a third part-product. The method includes detecting a user input for specifying three quantity shares and creating a total product as a combination of the three part-products with quantities that correspond to the specified quantity shares. A graphic representation of the quantity shares is represented, each with a share display per quantity share, wherein a size of the share display is essentially proportional to the respective quantity share, and the size of at least one of the share displays and thus of the respective quantity share can be adapted in accordance with a user input.