No problem, we've got 2190 and 2790 to multiply
2190 × 2790 = 2790 × (2190)
+ 2790 × 0 what gives us 0
+ 2790 × 90 that results in 251100
+ 2790 × 100 that results in 279000
+ 2790 × 2000 that results in 5580000

= 6110100
