$$4 \times \frac{ 22 }{ 7 } \times \frac{ 35 }{ 10 } \times \frac{ 35 }{ 10 }$$
$154$
$$4\times \frac{22}{7}\times \left(\frac{35}{10}\right)^{2}$$
$$\frac{4\times 22}{7}\times \left(\frac{35}{10}\right)^{2}$$
$$\frac{88}{7}\times \left(\frac{35}{10}\right)^{2}$$
$$\frac{88}{7}\times \left(\frac{7}{2}\right)^{2}$$
$$\frac{88}{7}\times \frac{49}{4}$$
$$\frac{88\times 49}{7\times 4}$$
$$\frac{4312}{28}$$
$$154$$
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$2\times 7\times 11$
