No problem, we've got 18042483 and 48100047 to multiply
18042483 × 48100047 = 48100047 × (18042483)
+ 48100047 × 3 what gives us 144300141
+ 48100047 × 80 giving us 3848003760
+ 48100047 × 400 that equals 19240018800
+ 48100047 × 2000 what gives us 96200094000
+ 48100047 × 40000 that equals 1924001880000
+ 48100047 × 000000 that equals 0
+ 48100047 × 8000000 yielding 384800376000000
+ 48100047 × 10000000 that results in 481000470000000

= 867844280296701
