No problem, we've got 6855 and 1420 to multiply
6855 × 1420 = 1420 × (6855)
+ 1420 × 5 what gives us 7100
+ 1420 × 50 resulting in 71000
+ 1420 × 800 giving us 1136000
+ 1420 × 6000 that equals 8520000

= 9734100
