1. Cooked rice is equal to rice multiplied by 3.
2. Cooked meat and fragrant rice is equal to rice multiplied by 1 and pork multiplied by 2.
3. Cooked seafood rice is equal to rice multiplied by 1 and fish multiplied by 2.
4. Cooked parent-child meals are equal to rice multiplied by 5, eggs multiplied by 3 and chicken legs multiplied by 3.