Alright, let's work through 3658 times 590 step by step
3658 × 590 = 590 × (3658)
+ 590 × 8 giving us 4720
+ 590 × 50 that is equal 29500
+ 590 × 600 resulting in 354000
+ 590 × 3000 yielding 1770000

= 2158220
