$$24 \times 3 \frac { 1 } { 10 }$$
$\frac{372}{5}=74.4$
$$24\times \frac{30+1}{10}$$
$$24\times \frac{31}{10}$$
$$\frac{24\times 31}{10}$$
$$\frac{744}{10}$$
$$\frac{372}{5}$$
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$\frac{2 ^ {2} \cdot 3 \cdot 31}{5} = 74\frac{2}{5} = 74.4$
