Alright, let's work through 2151 times 7525 step by step
2151 × 7525 = 7525 × (2151)
+ 7525 × 1 giving us 7525
+ 7525 × 50 producing 376250
+ 7525 × 100 what gives us 752500
+ 7525 × 2000 giving us 15050000

= 16186275
