$$\frac{1}{9}\times\frac{5}{8}+(\frac{1}{2})^{3}$$
$\frac{7}{36}\approx 0.194444444$
$$\frac{1\times 5}{9\times 8}+\left(\frac{1}{2}\right)^{3}$$
$$\frac{5}{72}+\left(\frac{1}{2}\right)^{3}$$
$$\frac{5}{72}+\frac{1}{8}$$
$$\frac{5}{72}+\frac{9}{72}$$
$$\frac{5+9}{72}$$
$$\frac{14}{72}$$
$$\frac{7}{36}$$
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$\frac{7}{2 ^ {2} \cdot 3 ^ {2}} = 0.19444444444444445$
