$$\frac{ 1 }{ 5 } \times \frac{ 22 }{ 7 } \times 70 \times 70=$$
$3080$
$$\frac{1\times 22}{5\times 7}\times 70\times 70$$
$$\frac{22}{35}\times 70\times 70$$
$$\frac{22\times 70}{35}\times 70$$
$$\frac{1540}{35}\times 70$$
$$44\times 70$$
$$3080$$
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$2^{3}\times 5\times 7\times 11$
