Alright, let's work through 2781 times 5026 step by step
2781 × 5026 = 5026 × (2781)
+ 5026 × 1 that is equal 5026
+ 5026 × 80 that is equal 402080
+ 5026 × 700 that results in 3518200
+ 5026 × 2000 what gives us 10052000

= 13977306
