No problem, we've got 4869 and 8381 to multiply
4869 × 8381 = 8381 × (4869)
+ 8381 × 9 that is equal 75429
+ 8381 × 60 resulting in 502860
+ 8381 × 800 which equals 6704800
+ 8381 × 4000 that equals 33524000

= 40807089
