$$\{ ( 7 ) ^ { 0 } + ( 4 ) ^ { - 1 } \} \times ( 2 ) ^ { 2 }$$
$5$
$$\left(1+4^{-1}\right)\times 2^{2}$$
$$\left(1+\frac{1}{4}\right)\times 2^{2}$$
$$\frac{5}{4}\times 2^{2}$$
$$\frac{5}{4}\times 4$$
$$5$$
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