Alright, let's work through 5386 times 5438 step by step
5386 × 5438 = 5438 × (5386)
+ 5438 × 6 yielding 32628
+ 5438 × 80 that is equal 435040
+ 5438 × 300 which equals 1631400
+ 5438 × 5000 resulting in 27190000

= 29289068
