No problem, we've got 6102 and 3399 to multiply
6102 × 3399 = 3399 × (6102)
+ 3399 × 2 what gives us 6798
+ 3399 × 00 what gives us 0
+ 3399 × 100 that is equal 339900
+ 3399 × 6000 giving us 20394000

= 20740698
