$$9+(6 \sqrt{ 8 \times 9) }$$
$36\sqrt{2}+9\approx 59.911688245$
$$9+6\sqrt{72}$$
$$9+6\times 6\sqrt{2}$$
$$9+36\sqrt{2}$$
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$9 {(4 \sqrt{2} + 1)} = 59.911688245$
