No problem, we've got 5816 and 3601 to multiply
5816 × 3601 = 3601 × (5816)
+ 3601 × 6 that is equal 21606
+ 3601 × 10 giving us 36010
+ 3601 × 800 that equals 2880800
+ 3601 × 5000 what gives us 18005000

= 20943416
