$$532 \cos 18$$
$505.962066669021662$
$$532 \cdot 0.9510565162951535$$
$$505.962066669021662$$
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$\frac{7 \cdot 19 \cdot 7591 \cdot 12969037 \cdot 139 ^ {2}}{2 ^ {14} \cdot 5 ^ {15}} = 505\frac{481033334510816}{500000000000000} = 505.9620666690216$