No problem, we've got 1284 and 6831 to multiply
1284 × 6831 = 6831 × (1284)
+ 6831 × 4 resulting in 27324
+ 6831 × 80 what gives us 546480
+ 6831 × 200 yielding 1366200
+ 6831 × 1000 yielding 6831000

= 8771004
