\[ 960000 \text{ сумов} : 40 \text{ m}^2 = 24000 \text{ сумов/m}^2 \]
\[ 24000 \text{ сумов/m}^2 \times 65 \text{ m}^2 = 1560000 \text{ сумов} \]
Ответ: 1 560 000 сумов.