Alright, let's work through 6901 times 2403 step by step
6901 × 2403 = 2403 × (6901)
+ 2403 × 1 that is equal 2403
+ 2403 × 00 which equals 0
+ 2403 × 900 that equals 2162700
+ 2403 × 6000 what gives us 14418000

= 16583103
