No problem, we've got 6853 and 7775 to multiply
6853 × 7775 = 7775 × (6853)
+ 7775 × 3 what gives us 23325
+ 7775 × 50 yielding 388750
+ 7775 × 800 giving us 6220000
+ 7775 × 6000 yielding 46650000

= 53282075
