Alright, let's work through 5601 times 3659 step by step
5601 × 3659 = 3659 × (5601)
+ 3659 × 1 yielding 3659
+ 3659 × 00 producing 0
+ 3659 × 600 what gives us 2195400
+ 3659 × 5000 that results in 18295000

= 20494059
