Решение:
\[ 6^4 = 6 \times 6 \times 6 \times 6 = 36 \times 36 = 1296 \]
\[ 7 \times 1296 = 9072 \]
\[ 6 - 9072 = -9066 \]
\[ 6 - 5 = 1 \]
\[ \frac{-9066}{1} = -9066 \]
Ответ: -9066