$$2 \frac{ 4 }{ 9 } \times 2 \frac{ 1 }{ 4 } \times 1 \frac{ 3 }{ 11 } \times 1 \frac{ 1 }{ 3 }$$
$\frac{28}{3}\approx 9.333333333$
$$\frac{18+4}{9}\times \frac{2\times 4+1}{4}\times \frac{1\times 11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{22}{9}\times \frac{2\times 4+1}{4}\times \frac{1\times 11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{22}{9}\times \frac{8+1}{4}\times \frac{1\times 11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{22}{9}\times \frac{9}{4}\times \frac{1\times 11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{22\times 9}{9\times 4}\times \frac{1\times 11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{22}{4}\times \frac{1\times 11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{11}{2}\times \frac{1\times 11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{11}{2}\times \frac{11+3}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{11}{2}\times \frac{14}{11}\times \frac{1\times 3+1}{3}$$
$$\frac{11\times 14}{2\times 11}\times \frac{1\times 3+1}{3}$$
$$\frac{14}{2}\times \frac{1\times 3+1}{3}$$
$$7\times \frac{1\times 3+1}{3}$$
$$7\times \frac{3+1}{3}$$
$$7\times \frac{4}{3}$$
$$\frac{7\times 4}{3}$$
$$\frac{28}{3}$$
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$\frac{2 ^ {2} \cdot 7}{3} = 9\frac{1}{3} = 9.333333333333334$
