No problem, we've got 4387 and 9108 to multiply
4387 × 9108 = 9108 × (4387)
+ 9108 × 7 giving us 63756
+ 9108 × 80 which equals 728640
+ 9108 × 300 which equals 2732400
+ 9108 × 4000 which equals 36432000

= 39956796
