Alright, let's work through 6691 times 4213 step by step
6691 × 4213 = 4213 × (6691)
+ 4213 × 1 that equals 4213
+ 4213 × 90 that is equal 379170
+ 4213 × 600 resulting in 2527800
+ 4213 × 6000 which equals 25278000

= 28189183
