\[32 \cdot \left( - \frac{1}{2}\sqrt{11} \right)^{2} - \frac{1}{3} \cdot \left( 7\sqrt{15} \right)^{2} =\]
\[= 32 \cdot \frac{1}{4} \cdot 11 - \frac{1}{3} \cdot 49 \cdot 15 =\]
\[= 88 - 245 = - 157\]