Alright, let's work through 3638 times 5756 step by step
3638 × 5756 = 5756 × (3638)
+ 5756 × 8 that is equal 46048
+ 5756 × 30 that equals 172680
+ 5756 × 600 what gives us 3453600
+ 5756 × 3000 yielding 17268000

= 20940328
