Alright, let's work through 1811 times 7679 step by step
1811 × 7679 = 7679 × (1811)
+ 7679 × 1 giving us 7679
+ 7679 × 10 that is equal 76790
+ 7679 × 800 producing 6143200
+ 7679 × 1000 giving us 7679000

= 13906669
