$$2 \times 22/7 \times 7 \times 6+2 \times 22/7 \times 7 \times 7$$
$572$
$$\frac{44}{7}\times 7\times 6+\frac{2\times 22}{7}\times 7\times 7$$
$$44\times 6+\frac{2\times 22}{7}\times 7\times 7$$
$$264+\frac{2\times 22}{7}\times 7\times 7$$
$$264+\frac{44}{7}\times 7\times 7$$
$$264+44\times 7$$
$$264+308$$
$$572$$
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$2^{2}\times 11\times 13$
