Alright, let's work through 7139 times 3343 step by step
7139 × 3343 = 3343 × (7139)
+ 3343 × 9 that equals 30087
+ 3343 × 30 what gives us 100290
+ 3343 × 100 what gives us 334300
+ 3343 × 7000 that equals 23401000

= 23865677
