Alright, let's work through 2781 times 7243 step by step
2781 × 7243 = 7243 × (2781)
+ 7243 × 1 that is equal 7243
+ 7243 × 80 that is equal 579440
+ 7243 × 700 giving us 5070100
+ 7243 × 2000 that results in 14486000

= 20142783
