No problem, we've got 3102 and 6722 to multiply
3102 × 6722 = 6722 × (3102)
+ 6722 × 2 what gives us 13444
+ 6722 × 00 that is equal 0
+ 6722 × 100 that is equal 672200
+ 6722 × 3000 which equals 20166000

= 20851644
