$$2 \times 22/7 \times 0.7 \times 25$$
$110$
$$\frac{44}{7}\times 0.7\times 25$$
$$\frac{44}{7}\times \frac{7}{10}\times 25$$
$$\frac{44\times 7}{7\times 10}\times 25$$
$$\frac{44}{10}\times 25$$
$$\frac{22}{5}\times 25$$
$$\frac{22\times 25}{5}$$
$$\frac{550}{5}$$
$$110$$
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$2\times 5\times 11$
