We're going to solve 6241 multiplied by 3990
6241 × 3990 = 3990 × (6241)
+ 3990 × 1 yielding 3990
+ 3990 × 40 what gives us 159600
+ 3990 × 200 giving us 798000
+ 3990 × 6000 what gives us 23940000

= 24901590
