$$4 \frac { 1 } { 3 } \cdot ( 5 \frac { 1 } { 5 } + 2 \frac { 1 } { 2 } + 6 \frac { 1 } { 5 } )$$
$\frac{1807}{30}\approx 60.233333333$
$$\frac{12+1}{3}\left(\frac{5\times 5+1}{5}+\frac{2\times 2+1}{2}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{5\times 5+1}{5}+\frac{2\times 2+1}{2}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{25+1}{5}+\frac{2\times 2+1}{2}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{26}{5}+\frac{2\times 2+1}{2}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{26}{5}+\frac{4+1}{2}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{26}{5}+\frac{5}{2}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{52}{10}+\frac{25}{10}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{52+25}{10}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{77}{10}+\frac{6\times 5+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{77}{10}+\frac{30+1}{5}\right)$$
$$\frac{13}{3}\left(\frac{77}{10}+\frac{31}{5}\right)$$
$$\frac{13}{3}\left(\frac{77}{10}+\frac{62}{10}\right)$$
$$\frac{13}{3}\times \frac{77+62}{10}$$
$$\frac{13}{3}\times \frac{139}{10}$$
$$\frac{13\times 139}{3\times 10}$$
$$\frac{1807}{30}$$
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$\frac{13 \cdot 139}{2 \cdot 3 \cdot 5} = 60\frac{7}{30} = 60.233333333333334$
