$${ \left(2- \sqrt{ 3 } \right) }^{ 2 } \times \sqrt{ 3 }$$
$7\sqrt{3}-12\approx 0.124355653$
$$\left(4-4\sqrt{3}+\left(\sqrt{3}\right)^{2}\right)\sqrt{3}$$
$$\left(4-4\sqrt{3}+3\right)\sqrt{3}$$
$$\left(7-4\sqrt{3}\right)\sqrt{3}$$
$$7\sqrt{3}-4\left(\sqrt{3}\right)^{2}$$
$$7\sqrt{3}-4\times 3$$
$$7\sqrt{3}-12$$
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