No problem, we've got 4686 and 6634 to multiply
4686 × 6634 = 6634 × (4686)
+ 6634 × 6 giving us 39804
+ 6634 × 80 which equals 530720
+ 6634 × 600 what gives us 3980400
+ 6634 × 4000 yielding 26536000

= 31086924
