[tex]3 + 3 \times (9 + \frac{59}{15} ) + 300 = \\ = 3 + 3 \times ( \frac{9 \times 15}{15} + \frac{59}{15} ) + 300 = \\ =3 + 3 \times ( \frac{135}{15} + \frac{59}{15} ) + 300 = \\ =3 + 3 \times \frac{194}{15} + 300 = \\ = 303 + \frac{194}{5} = \\ = \frac{1515}{5} + \frac{194}{5} = \frac{1709}{5} [/tex]
