No problem, we've got 9139 and 4523 to multiply
9139 × 4523 = 4523 × (9139)
+ 4523 × 9 that equals 40707
+ 4523 × 30 yielding 135690
+ 4523 × 100 yielding 452300
+ 4523 × 9000 resulting in 40707000

= 41335697
