Alright, let's work through 3892 times 6642 step by step
3892 × 6642 = 6642 × (3892)
+ 6642 × 2 that equals 13284
+ 6642 × 90 what gives us 597780
+ 6642 × 800 that results in 5313600
+ 6642 × 3000 resulting in 19926000

= 25850664
