[tex] \frac{5}{2} \times \frac{23}{2} \times \frac{23}{1} + 5 \times 8 \times ( \frac{32}{2} + \frac{5}{2} )[/tex]
[tex] \frac{2645}{4} + 40 \times \frac{37}{2} = \frac{2645}{4} + \frac{40}{1} \times \frac{37}{2} [/tex]
[tex] \frac{2645}{4} + \frac{1480}{2} [/tex]
[tex] \frac{2645}{4} + \frac{2960}{4} = \frac{5605}{4} [/tex]
