No problem, we've got 6842 and 8457 to multiply
6842 × 8457 = 8457 × (6842)
+ 8457 × 2 what gives us 16914
+ 8457 × 40 that is equal 338280
+ 8457 × 800 giving us 6765600
+ 8457 × 6000 resulting in 50742000

= 57862794
