Alright, let's work through 25171997 times 49846862 step by step
25171997 × 49846862 = 49846862 × (25171997)
+ 49846862 × 7 that results in 348928034
+ 49846862 × 90 yielding 4486217580
+ 49846862 × 900 yielding 44862175800
+ 49846862 × 1000 that is equal 49846862000
+ 49846862 × 70000 that results in 3489280340000
+ 49846862 × 100000 that equals 4984686200000
+ 49846862 × 5000000 resulting in 249234310000000
+ 49846862 × 20000000 which equals 996937240000000

= 1254745060723414
