Найдите значение выражения 70⁴ - 9⁴ / 79.61

\(\frac{70^{4} - 9^{4}}{79.61} = \frac{(70^{2} - 9^{2})(70^{2} + 9^{2})}{79.61} = \frac{(70-9)(70+9)(4900+81)}{79.61} = \frac{61 \cdot 79 \cdot 4981}{79.61} = \frac{4819 \cdot 4981}{79.61} = \frac{23999999}{79.61} = 301469.59\)