No problem, we've got 4589 and 8912 to multiply
4589 × 8912 = 8912 × (4589)
+ 8912 × 9 that equals 80208
+ 8912 × 80 which equals 712960
+ 8912 × 500 giving us 4456000
+ 8912 × 4000 which equals 35648000

= 40897168
