No problem, we've got 6124 and 3210 to multiply
6124 × 3210 = 3210 × (6124)
+ 3210 × 4 which equals 12840
+ 3210 × 20 what gives us 64200
+ 3210 × 100 what gives us 321000
+ 3210 × 6000 what gives us 19260000

= 19658040
