What is the value of \(\frac{{{{\left( {0.7} \right)}^3} - {{\left( {0.4} \right)}^3}}}{{{{\left( {0.7} \right)}^2} + 0.7 \times 0.4 + {{\left( {0.4} \right)}^2}}}?\)

• A. 0.3
• B. 0.4
• C. 0.7
• D. 1.1