No problem, we've got 4123 and 8300 to multiply
4123 × 8300 = 8300 × (4123)
+ 8300 × 3 yielding 24900
+ 8300 × 20 which equals 166000
+ 8300 × 100 what gives us 830000
+ 8300 × 4000 producing 33200000

= 34220900
