No problem, we've got 80606537 and 48985033 to multiply
80606537 × 48985033 = 48985033 × (80606537)
+ 48985033 × 7 resulting in 342895231
+ 48985033 × 30 which equals 1469550990
+ 48985033 × 500 which equals 24492516500
+ 48985033 × 6000 that results in 293910198000
+ 48985033 × 00000 resulting in 0
+ 48985033 × 600000 yielding 29391019800000
+ 48985033 × 0000000 giving us 0
+ 48985033 × 80000000 yielding 3918802640000000

= 3948513874960721
