What is the value of \(\frac{{{{\left( {6.3} \right)}^3}{\rm{\;}} + {\rm{\;}}{{\left( {1.1} \right)}^3}}}{{{{\left( {6.3} \right)}^2} - 6.3{\rm{\;}} \times {\rm{\;}}1.1{\rm{\;}} + {\rm{\;}}{{\left( {1.1} \right)}^2}}}\)

• A. 7.4
• B. 5.2
• C. 7.2
• D. 6.8