No problem, we've got 1146 and 6642 to multiply
1146 × 6642 = 6642 × (1146)
+ 6642 × 6 yielding 39852
+ 6642 × 40 yielding 265680
+ 6642 × 100 what gives us 664200
+ 6642 × 1000 resulting in 6642000

= 7611732
