$$169 \div 18 \times 9 \div 2 \div 3-132 \div 6$$
$-\frac{95}{12}\approx -7.916666667$
$$\frac{\frac{169}{18}\times 9}{2\times 3}-\frac{132}{6}$$
$$\frac{3\times \frac{169}{18}}{2}-\frac{132}{6}$$
$$\frac{\frac{3\times 169}{18}}{2}-\frac{132}{6}$$
$$\frac{\frac{507}{18}}{2}-\frac{132}{6}$$
$$\frac{\frac{169}{6}}{2}-\frac{132}{6}$$
$$\frac{169}{6\times 2}-\frac{132}{6}$$
$$\frac{169}{12}-\frac{132}{6}$$
$$\frac{169}{12}-22$$
$$\frac{169}{12}-\frac{264}{12}$$
$$\frac{169-264}{12}$$
$$-\frac{95}{12}$$
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$-\frac{95}{12} = -7\frac{11}{12} = -7.916666666666667$
