$$= 4 \frac { 1 } { 2 } \times 5 \frac { 3 } { 4 }$$
$\frac{207}{8}=25.875$
$$\frac{8+1}{2}\times \frac{5\times 4+3}{4}$$
$$\frac{9}{2}\times \frac{5\times 4+3}{4}$$
$$\frac{9}{2}\times \frac{20+3}{4}$$
$$\frac{9}{2}\times \frac{23}{4}$$
$$\frac{9\times 23}{2\times 4}$$
$$\frac{207}{8}$$
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$\frac{3 ^ {2} \cdot 23}{2 ^ {3}} = 25\frac{7}{8} = 25.875$