$${ 1 }^{ 2 } { 2 }^{ 2 } { 5 }^{ 2 } \times \frac{ { 8 }^{ 2 } }{ }$$
$6400$
$$1\times 2^{2}\times 5^{2}\times \frac{8^{2}}{1}$$
$$1\times 4\times 5^{2}\times \frac{8^{2}}{1}$$
$$4\times 5^{2}\times \frac{8^{2}}{1}$$
$$4\times 25\times \frac{8^{2}}{1}$$
$$100\times \frac{8^{2}}{1}$$
$$100\times \frac{64}{1}$$
$$100\times 64$$
$$6400$$
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$2^{8}\times 5^{2}$