Six boxes. Mathematical method: 64 moon cakes, a box of 10,64 divided by10, get the quotient of 6, and the remainder is 4,4. If you can't pack a box, pack 6 boxes. Moon cakes are a long-standing traditional snack of the Han nationality, which is deeply loved by the people of China. Mooncakes are round and shared by the whole family, so they symbolize reunion and harmony.