$$1 \frac { 3 } { 4 } TIAN+ 2 \frac { 3 } { 8 } TIAN$$
$\frac{33AINT}{8}$
$$\frac{4+3}{4}TIAN+\frac{2\times 8+3}{8}TIAN$$
$$\frac{7}{4}TIAN+\frac{2\times 8+3}{8}TIAN$$
$$\frac{7}{4}TIAN+\frac{16+3}{8}TIAN$$
$$\frac{7}{4}TIAN+\frac{19}{8}TIAN$$
$$\frac{33}{8}TIAN$$
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