All the dreams of mom Tamara get shattered when she brings a three-liter jar of soup from the social canteen. Three liters of soup and four loaves of bread for seven children. Sounds like a math puzzle? We have already given you such puzzles. It is not a fictional puzzle, but a real one. It is not aimed to train your brain, but to determine the kindness level of your heart. It is much easier to cross the river with a wolf, goat, and a cabbage so that each of them is left intact than feeding seven children with bread and one jar of soup.