Alright, let's work through 7139 times 2771 step by step
7139 × 2771 = 2771 × (7139)
+ 2771 × 9 yielding 24939
+ 2771 × 30 that is equal 83130
+ 2771 × 100 resulting in 277100
+ 2771 × 7000 that equals 19397000

= 19782169
