No problem, we've got 8451 and 1871 to multiply
8451 × 1871 = 1871 × (8451)
+ 1871 × 1 yielding 1871
+ 1871 × 50 that equals 93550
+ 1871 × 400 yielding 748400
+ 1871 × 8000 what gives us 14968000

= 15811821
