Alright, let's work through 84615034 times 61030906 step by step
84615034 × 61030906 = 61030906 × (84615034)
+ 61030906 × 4 producing 244123624
+ 61030906 × 30 what gives us 1830927180
+ 61030906 × 000 giving us 0
+ 61030906 × 5000 resulting in 305154530000
+ 61030906 × 10000 which equals 610309060000
+ 61030906 × 600000 producing 36618543600000
+ 61030906 × 4000000 that equals 244123624000000
+ 61030906 × 80000000 yielding 4882472480000000

= 5164132186240804
