Alright, let's work through 4139 times 6318 step by step
4139 × 6318 = 6318 × (4139)
+ 6318 × 9 what gives us 56862
+ 6318 × 30 that equals 189540
+ 6318 × 100 yielding 631800
+ 6318 × 4000 what gives us 25272000

= 26150202
