No problem, we've got 6124 and 6423 to multiply
6124 × 6423 = 6423 × (6124)
+ 6423 × 4 what gives us 25692
+ 6423 × 20 that is equal 128460
+ 6423 × 100 that is equal 642300
+ 6423 × 6000 that equals 38538000

= 39334452
