No problem, we've got 84755316 and 90122429 to multiply
84755316 × 90122429 = 90122429 × (84755316)
+ 90122429 × 6 which equals 540734574
+ 90122429 × 10 that results in 901224290
+ 90122429 × 300 that equals 27036728700
+ 90122429 × 5000 resulting in 450612145000
+ 90122429 × 50000 yielding 4506121450000
+ 90122429 × 700000 that results in 63085700300000
+ 90122429 × 4000000 what gives us 360489716000000
+ 90122429 × 80000000 resulting in 7209794320000000

= 7638354948582564
