Alright, let's work through 6031 times 8634 step by step
6031 × 8634 = 8634 × (6031)
+ 8634 × 1 that is equal 8634
+ 8634 × 30 producing 259020
+ 8634 × 000 which equals 0
+ 8634 × 6000 producing 51804000

= 52071654
