Alright, let's work through 3191 times 5705 step by step
3191 × 5705 = 5705 × (3191)
+ 5705 × 1 what gives us 5705
+ 5705 × 90 which equals 513450
+ 5705 × 100 which equals 570500
+ 5705 × 3000 that results in 17115000

= 18204655
