$$2 \times \frac{ 22 }{ 7 } \times \frac{ 105 }{ 2 \times 300 }$$
$\frac{11}{10}=1.1$
$$\frac{2\times 22}{7}\times \frac{105}{2\times 300}$$
$$\frac{44}{7}\times \frac{105}{2\times 300}$$
$$\frac{44}{7}\times \frac{105}{600}$$
$$\frac{44}{7}\times \frac{7}{40}$$
$$\frac{44\times 7}{7\times 40}$$
$$\frac{44}{40}$$
$$\frac{11}{10}$$
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$\frac{11}{2 \cdot 5} = 1\frac{1}{10} = 1.1$
