No problem, we've got 2973 and 6856 to multiply
2973 × 6856 = 6856 × (2973)
+ 6856 × 3 yielding 20568
+ 6856 × 70 what gives us 479920
+ 6856 × 900 giving us 6170400
+ 6856 × 2000 which equals 13712000

= 20382888
