$${ \left(66/5 \right) }^{ 2 }$$
$\frac{4356}{25}=174.24$
$$\frac{4356}{25}$$
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$\frac{2 ^ {2} \cdot 3 ^ {2} \cdot 11 ^ {2}}{5 ^ {2}} = 174\frac{6}{25} = 174.24$