$$8 ^ { \frac { 2 } { 3 } } + ( 25 ) ^ { \frac { 3 } { 2 } } - ( \frac { 1 } { 27 } ) ^ { \frac { - 2 } { 3 } }$$
$120$
$$4+25^{\frac{3}{2}}-\left(\frac{1}{27}\right)^{\frac{-2}{3}}$$
$$4+125-\left(\frac{1}{27}\right)^{\frac{-2}{3}}$$
$$129-\left(\frac{1}{27}\right)^{\frac{-2}{3}}$$
$$129-\left(\frac{1}{27}\right)^{-\frac{2}{3}}$$
$$129-9$$
$$120$$
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$2^{3}\times 3\times 5$