$$20 \frac { 2 } { 3 } 7 \frac { 3 } { 4 }$$
$\frac{961}{6}\approx 160.166666667$
$$\frac{60+2}{3}\times \frac{7\times 4+3}{4}$$
$$\frac{62}{3}\times \frac{7\times 4+3}{4}$$
$$\frac{62}{3}\times \frac{28+3}{4}$$
$$\frac{62}{3}\times \frac{31}{4}$$
$$\frac{62\times 31}{3\times 4}$$
$$\frac{1922}{12}$$
$$\frac{961}{6}$$
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$\frac{31 ^ {2}}{2 \cdot 3} = 160\frac{1}{6} = 160.16666666666666$
