No problem, we've got 4886 and 8640 to multiply
4886 × 8640 = 8640 × (4886)
+ 8640 × 6 resulting in 51840
+ 8640 × 80 giving us 691200
+ 8640 × 800 yielding 6912000
+ 8640 × 4000 what gives us 34560000

= 42215040
