Alright, let's work through 25205871 times 1131024 step by step
25205871 × 1131024 = 1131024 × (25205871)
+ 1131024 × 1 what gives us 1131024
+ 1131024 × 70 what gives us 79171680
+ 1131024 × 800 that results in 904819200
+ 1131024 × 5000 yielding 5655120000
+ 1131024 × 00000 that equals 0
+ 1131024 × 200000 giving us 226204800000
+ 1131024 × 5000000 that is equal 5655120000000
+ 1131024 × 20000000 that equals 22620480000000

= 28508445041904
