Alright, let's work through 2157 times 7518 step by step
2157 × 7518 = 7518 × (2157)
+ 7518 × 7 giving us 52626
+ 7518 × 50 producing 375900
+ 7518 × 100 what gives us 751800
+ 7518 × 2000 resulting in 15036000

= 16216326
