Alright, let's work through 25471813 times 42675270 step by step
25471813 × 42675270 = 42675270 × (25471813)
+ 42675270 × 3 that equals 128025810
+ 42675270 × 10 yielding 426752700
+ 42675270 × 800 yielding 34140216000
+ 42675270 × 1000 what gives us 42675270000
+ 42675270 × 70000 which equals 2987268900000
+ 42675270 × 400000 that equals 17070108000000
+ 42675270 × 5000000 resulting in 213376350000000
+ 42675270 × 20000000 producing 853505400000000

= 1087016497164510
