Alright, let's work through 2157 times 7478 step by step
2157 × 7478 = 7478 × (2157)
+ 7478 × 7 that results in 52346
+ 7478 × 50 yielding 373900
+ 7478 × 100 that is equal 747800
+ 7478 × 2000 what gives us 14956000

= 16130046
