Alright, let's work through 4164 times 6940 step by step
4164 × 6940 = 6940 × (4164)
+ 6940 × 4 that equals 27760
+ 6940 × 60 that is equal 416400
+ 6940 × 100 giving us 694000
+ 6940 × 4000 that results in 27760000

= 28898160
