$$\frac{ 1.234 }{ 2 } ( \frac{ 1.21 }{ 8 } -8)$$
$-4.84267875$
$$\frac{1234}{2000}\left(\frac{1.21}{8}-8\right)$$
$$\frac{617}{1000}\left(\frac{1.21}{8}-8\right)$$
$$\frac{617}{1000}\left(\frac{121}{800}-8\right)$$
$$\frac{617}{1000}\left(\frac{121}{800}-\frac{6400}{800}\right)$$
$$\frac{617}{1000}\times \frac{121-6400}{800}$$
$$\frac{617}{1000}\left(-\frac{6279}{800}\right)$$
$$\frac{617\left(-6279\right)}{1000\times 800}$$
$$\frac{-3874143}{800000}$$
$$-\frac{3874143}{800000}$$
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