The expression \( t(4 - r) \) can be interpreted in a couple of ways depending on context. If you are asking for a simplified form, it's already in a simplified state as a product of \( t \) and \( (4 - r) \).
If you're looking to expand it, you can distribute \( t \):
\[ t(4 - r) = 4t - tr \]
If you have a specific question about the expression or need further assistance (like solving for a variable), please provide more details!