No problem, we've got 7889 and 4038 to multiply
7889 × 4038 = 4038 × (7889)
+ 4038 × 9 giving us 36342
+ 4038 × 80 yielding 323040
+ 4038 × 800 that equals 3230400
+ 4038 × 7000 that results in 28266000

= 31855782
