No problem, we've got 8135 and 4123 to multiply
8135 × 4123 = 4123 × (8135)
+ 4123 × 5 giving us 20615
+ 4123 × 30 yielding 123690
+ 4123 × 100 yielding 412300
+ 4123 × 8000 which equals 32984000

= 33540605
