$$\frac { 2 } { 3 } \times 9 \frac { 3 } { 8 } \times 3 \frac { 4 } { 5 }$$
$\frac{95}{4}=23.75$
$$\frac{2}{3}\times \frac{72+3}{8}\times \frac{3\times 5+4}{5}$$
$$\frac{2}{3}\times \frac{75}{8}\times \frac{3\times 5+4}{5}$$
$$\frac{2\times 75}{3\times 8}\times \frac{3\times 5+4}{5}$$
$$\frac{150}{24}\times \frac{3\times 5+4}{5}$$
$$\frac{25}{4}\times \frac{3\times 5+4}{5}$$
$$\frac{25}{4}\times \frac{15+4}{5}$$
$$\frac{25}{4}\times \frac{19}{5}$$
$$\frac{25\times 19}{4\times 5}$$
$$\frac{475}{20}$$
$$\frac{95}{4}$$
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$\frac{5 \cdot 19}{2 ^ {2}} = 23\frac{3}{4} = 23.75$