No problem, we've got 6660 and 8599 to multiply
6660 × 8599 = 8599 × (6660)
+ 8599 × 0 resulting in 0
+ 8599 × 60 that is equal 515940
+ 8599 × 600 what gives us 5159400
+ 8599 × 6000 what gives us 51594000

= 57269340
