Welcome to Germany!
The girl/girls/girl's/girls':
Das Mädchen (singular, nominative, neuter article)
Die Mädchen (plural, nominative, feminine article)
Des Mädchens (singular, genitive, masculine article)
Der Mädchen (plural, genitive, masculine article)
Exactly. Do the daily corpo dance and cheer if they babbling about innovation, progress, growth and new products. Do not fight against it. Just take your money and put your valuable time and energy elsewhere.