Alright, let's work through 25405374 times 57042951 step by step
25405374 × 57042951 = 57042951 × (25405374)
+ 57042951 × 4 producing 228171804
+ 57042951 × 70 producing 3993006570
+ 57042951 × 300 that equals 17112885300
+ 57042951 × 5000 which equals 285214755000
+ 57042951 × 00000 that is equal 0
+ 57042951 × 400000 resulting in 22817180400000
+ 57042951 × 5000000 yielding 285214755000000
+ 57042951 × 20000000 giving us 1140859020000000

= 1449197504218674
