No problem, we've got 5821 and 6808 to multiply
5821 × 6808 = 6808 × (5821)
+ 6808 × 1 what gives us 6808
+ 6808 × 20 which equals 136160
+ 6808 × 800 yielding 5446400
+ 6808 × 5000 yielding 34040000

= 39629368
