No problem, we've got 84038813 and 41322813 to multiply
84038813 × 41322813 = 41322813 × (84038813)
+ 41322813 × 3 giving us 123968439
+ 41322813 × 10 yielding 413228130
+ 41322813 × 800 producing 33058250400
+ 41322813 × 8000 that is equal 330582504000
+ 41322813 × 30000 which equals 1239684390000
+ 41322813 × 000000 producing 0
+ 41322813 × 4000000 resulting in 165291252000000
+ 41322813 × 80000000 what gives us 3305825040000000

= 3472720154340969
