Alright, let's work through 5345 times 3927 step by step
5345 × 3927 = 3927 × (5345)
+ 3927 × 5 resulting in 19635
+ 3927 × 40 that is equal 157080
+ 3927 × 300 that results in 1178100
+ 3927 × 5000 yielding 19635000

= 20989815
