No problem, we've got 81802816 and 44920426 to multiply
81802816 × 44920426 = 44920426 × (81802816)
+ 44920426 × 6 that equals 269522556
+ 44920426 × 10 giving us 449204260
+ 44920426 × 800 giving us 35936340800
+ 44920426 × 2000 that is equal 89840852000
+ 44920426 × 00000 which equals 0
+ 44920426 × 800000 that is equal 35936340800000
+ 44920426 × 1000000 yielding 44920426000000
+ 44920426 × 80000000 yielding 3593634080000000

= 3674617342719616
