$$\frac{77}{2}-\frac{1}{\sqrt{2}}-\frac{1}{\sqrt{2}}$$
$\frac{77}{2}-\sqrt{2}\approx 37.085786438$
$$\frac{77}{2}-\frac{\sqrt{2}}{\left(\sqrt{2}\right)^{2}}-\frac{1}{\sqrt{2}}$$
$$\frac{77}{2}-\frac{\sqrt{2}}{2}-\frac{1}{\sqrt{2}}$$
$$\frac{77}{2}-\frac{\sqrt{2}}{2}-\frac{\sqrt{2}}{\left(\sqrt{2}\right)^{2}}$$
$$\frac{77}{2}-\frac{\sqrt{2}}{2}-\frac{\sqrt{2}}{2}$$
$$\frac{77}{2}-\sqrt{2}$$
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$\frac{77 - 2 \sqrt{2}}{2} = 37.08578643762691$
