No problem, we've got 6290 and 3930 to multiply
6290 × 3930 = 3930 × (6290)
+ 3930 × 0 that equals 0
+ 3930 × 90 what gives us 353700
+ 3930 × 200 which equals 786000
+ 3930 × 6000 that is equal 23580000

= 24719700
