$$\frac{ 7 }{ 2 } \times \frac{ 77 }{ 2 }$$
$\frac{539}{4}=134.75$
$$\frac{7\times 77}{2\times 2}$$
$$\frac{539}{4}$$
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$\frac{7 ^ {2} \cdot 11}{2 ^ {2}} = 134\frac{3}{4} = 134.75$
