Alright, let's work through 48904635 times 78131210 step by step
48904635 × 78131210 = 78131210 × (48904635)
+ 78131210 × 5 that results in 390656050
+ 78131210 × 30 resulting in 2343936300
+ 78131210 × 600 producing 46878726000
+ 78131210 × 4000 that results in 312524840000
+ 78131210 × 00000 yielding 0
+ 78131210 × 900000 yielding 70318089000000
+ 78131210 × 8000000 yielding 625049680000000
+ 78131210 × 40000000 which equals 3125248400000000

= 3820978307158350
