[tex](5^{8} - {5}^{3} ) \div ({5}^{2} \times 4) \\ {5}^{3} ( {5}^{5 } - 1) \div (25 \times 4) \\ {5}^{3} (3125 - 1) \div 100 \\ {5}^{3} \times 3124 \div 100 \\ \frac{3124 \times {5}^{3} }{100} \\ \frac{781 \times {5}^{3} }{25} \\ \frac{781 \times {5}^{3} }{ {5}^{2} } = 781 \times 5 = 3905[/tex]
