$$36.50 \times 3 \frac{ 1 }{ 2 }$$
$127.75$
$$36.5\times \frac{6+1}{2}$$
$$36.5\times \frac{7}{2}$$
$$\frac{73}{2}\times \frac{7}{2}$$
$$\frac{73\times 7}{2\times 2}$$
$$\frac{511}{4}$$
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$\frac{7 \cdot 73}{2 ^ {2}} = 127\frac{3}{4} = 127.75$
