$$( \sqrt{ 4 } + \sqrt{ { 16 }^{ 2 } ) } + \sqrt{ 49 } \times { 2 }^{ 2 }$$
$46$
$$2+\sqrt{16^{2}}+\sqrt{49}\times 2^{2}$$
$$2+\sqrt{256}+\sqrt{49}\times 2^{2}$$
$$2+16+\sqrt{49}\times 2^{2}$$
$$18+\sqrt{49}\times 2^{2}$$
$$18+7\times 2^{2}$$
$$18+7\times 4$$
$$18+28$$
$$46$$
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$2\times 23$
