PROBLEMA NUM: 4859 - CATEGORIA: unita di misura - DIFFICOLTA': **

The oranges in Tina's backyard are finally ripe. So, she uses them to make orange juice. Tina makes a total of 12 liters of orange juice. She keeps 3 liters for herself and gives the rest to her neighbors.
How many liters of orange juice does Tina give to her neighbors?