[Geometry]
Problem: Let $T=T N Y W R$. A rectangular prism has a length of 1 , a width of 3 , a height of $h$, and has a total surface area of $T$. Compute the value of $h$.

Solution: The surface area is given by the expression $2 \cdot 1 \cdot 3+2 \cdot 1 \cdot h+2 \cdot 3 \cdot h=6+8 h$. Because $6+8 h=T, h=\frac{T-6}{8}$. With $T=114, h=108 / 8=\mathbf{2 7} / \mathbf{2}$.

Final answer: $\frac{27}{2}$