12,8 : 1/25+6 1/4 - 132,9=..... ?

[tex]12.8 \div \frac{1}{25} + 6 \ \frac{1}{4} - 132.9 \\ \frac{128}{10} \div \frac{1}{25} + \frac{25}{4} - \frac{1329}{10} \\ \frac{128}{10} \times \frac{25}{1} + \frac{25}{4} - \frac{1329}{10} \\ \frac{640}{2} + \frac{25}{4} - \frac{1329}{10} \\ \frac{6400}{20} + \frac{125}{20} - \frac{2658}{20} \\ \frac{3867}{20} \\ 193 \frac{7}{20} [/tex]