Alright, let's work through 3640 times 9917 step by step
3640 × 9917 = 9917 × (3640)
+ 9917 × 0 producing 0
+ 9917 × 40 that is equal 396680
+ 9917 × 600 that results in 5950200
+ 9917 × 3000 that results in 29751000

= 36097880
