Alright, let's work through 5347 times 8137 step by step
5347 × 8137 = 8137 × (5347)
+ 8137 × 7 resulting in 56959
+ 8137 × 40 resulting in 325480
+ 8137 × 300 what gives us 2441100
+ 8137 × 5000 what gives us 40685000

= 43508539
