Alright, let's work through 8137 times 2634 step by step
8137 × 2634 = 2634 × (8137)
+ 2634 × 7 giving us 18438
+ 2634 × 30 that equals 79020
+ 2634 × 100 that is equal 263400
+ 2634 × 8000 resulting in 21072000

= 21432858
