The conversation between human and AI assistant.
[|Human|] Write an equation that describes the given relationship.
[|AI|] Let's say the total cost of the meal is `T`, the cost of the ingredients is `I` and the cost of labour is `L`.

Based on the given relationship, we can write the equation as follows: 

`T = I + L`
[|Human|] 
Write an equation that describes the given relationship.