$${ 2 }^{ 2 } { 7 }^{ 2 } \frac{ { 0 }^{ 2 } }{ 9 }$$
$0$
$$4\times 7^{2}\times \frac{0^{2}}{9}$$
$$4\times 49\times \frac{0^{2}}{9}$$
$$196\times \frac{0^{2}}{9}$$
$$196\times \frac{0}{9}$$
$$196\times 0$$
$$0$$
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