No problem, we've got 3060 and 6890 to multiply
3060 × 6890 = 6890 × (3060)
+ 6890 × 0 giving us 0
+ 6890 × 60 that equals 413400
+ 6890 × 000 that equals 0
+ 6890 × 3000 resulting in 20670000

= 21083400
