Alright, let's work through 6172 times 6470 step by step
6172 × 6470 = 6470 × (6172)
+ 6470 × 2 producing 12940
+ 6470 × 70 that is equal 452900
+ 6470 × 100 that is equal 647000
+ 6470 × 6000 that equals 38820000

= 39932840
