$$\frac{6}{7}\times1\frac{5}{9}\times3\frac{3}{E}$$
$\frac{12}{E}$
$$\frac{6}{7}\times \frac{9+5}{9}\times 3\times \frac{3}{E}$$
$$\frac{6}{7}\times \frac{14}{9}\times 3\times \frac{3}{E}$$
$$\frac{6\times 14}{7\times 9}\times 3\times \frac{3}{E}$$
$$\frac{84}{63}\times 3\times \frac{3}{E}$$
$$\frac{4}{3}\times 3\times \frac{3}{E}$$
$$4\times \frac{3}{E}$$
$$\frac{4\times 3}{E}$$
$$\frac{12}{E}$$
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