No problem, we've got 2172 and 3340 to multiply
2172 × 3340 = 3340 × (2172)
+ 3340 × 2 giving us 6680
+ 3340 × 70 what gives us 233800
+ 3340 × 100 that equals 334000
+ 3340 × 2000 that results in 6680000

= 7254480
