To rescue her 11 brothers-swans from the spell of the wicked witch, Eliza decided to weave for each of them clothes from nettle to cover their bodies to turn them into human bodies again. Accordingly, courageous Eliza picked 32 kg of nettle. However, she calculated that there would not be enough nettle for a sleeve of the last garment. The missing sleeve would cause her youngest brother to keep a wing.
How much nettle does Eliza have to pick to cover his wing? What is the weight of the saving garment?