Alright, let's work through 4220748 times 82130976 step by step
4220748 × 82130976 = 82130976 × (4220748)
+ 82130976 × 8 that is equal 657047808
+ 82130976 × 40 what gives us 3285239040
+ 82130976 × 700 yielding 57491683200
+ 82130976 × 0000 giving us 0
+ 82130976 × 20000 giving us 1642619520000
+ 82130976 × 200000 producing 16426195200000
+ 82130976 × 4000000 resulting in 328523904000000

= 346654152690048
