Alright, let's work through 5879 times 3659 step by step
5879 × 3659 = 3659 × (5879)
+ 3659 × 9 that equals 32931
+ 3659 × 70 what gives us 256130
+ 3659 × 800 that is equal 2927200
+ 3659 × 5000 yielding 18295000

= 21511261
