We're going to solve 5813 multiplied by 3662
5813 × 3662 = 3662 × (5813)
+ 3662 × 3 what gives us 10986
+ 3662 × 10 which equals 36620
+ 3662 × 800 yielding 2929600
+ 3662 × 5000 that equals 18310000

= 21287206
