$$2(7 \times \frac{ 6.5 }{ \frac{ 10 }{ } } + \frac{ 6.5 }{ 10 } \times 4+4 \times 7)$$
$70.3$
$$2\left(7\times \frac{6.5}{10}+\frac{6.5}{10}\times 4+4\times 7\right)$$
$$2\left(7\times \frac{65}{100}+\frac{6.5}{10}\times 4+4\times 7\right)$$
$$2\left(7\times \frac{13}{20}+\frac{6.5}{10}\times 4+4\times 7\right)$$
$$2\left(\frac{7\times 13}{20}+\frac{6.5}{10}\times 4+4\times 7\right)$$
$$2\left(\frac{91}{20}+\frac{6.5}{10}\times 4+4\times 7\right)$$
$$2\left(\frac{91}{20}+\frac{65}{100}\times 4+4\times 7\right)$$
$$2\left(\frac{91}{20}+\frac{13}{20}\times 4+4\times 7\right)$$
$$2\left(\frac{91}{20}+\frac{13\times 4}{20}+4\times 7\right)$$
$$2\left(\frac{91}{20}+\frac{52}{20}+4\times 7\right)$$
$$2\left(\frac{91+52}{20}+4\times 7\right)$$
$$2\left(\frac{143}{20}+4\times 7\right)$$
$$2\left(\frac{143}{20}+28\right)$$
$$2\left(\frac{143}{20}+\frac{560}{20}\right)$$
$$2\times \frac{143+560}{20}$$
$$2\times \frac{703}{20}$$
$$\frac{2\times 703}{20}$$
$$\frac{1406}{20}$$
$$\frac{703}{10}$$
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$\frac{19 \cdot 37}{2 \cdot 5} = 70\frac{3}{10} = 70.3$
