Alright, let's work through 25621458 times 48976343 step by step
25621458 × 48976343 = 48976343 × (25621458)
+ 48976343 × 8 that results in 391810744
+ 48976343 × 50 yielding 2448817150
+ 48976343 × 400 which equals 19590537200
+ 48976343 × 1000 resulting in 48976343000
+ 48976343 × 20000 what gives us 979526860000
+ 48976343 × 600000 that is equal 29385805800000
+ 48976343 × 5000000 yielding 244881715000000
+ 48976343 × 20000000 resulting in 979526860000000

= 1254845315168094
