$$3( \frac{ 2 }{ 5 } \times \frac{ 3 }{ 2 } )=$$
$\frac{9}{5}=1.8$
$$\frac{3\times 2}{5}\times \frac{3}{2}$$
$$\frac{6}{5}\times \frac{3}{2}$$
$$\frac{6\times 3}{5\times 2}$$
$$\frac{18}{10}$$
$$\frac{9}{5}$$
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$\frac{3 ^ {2}}{5} = 1\frac{4}{5} = 1.8$
