Let's calculate 7864 x 5438
7864 × 5438 = 5438 × (7864)
+ 5438 × 4 that is equal 21752
+ 5438 × 60 resulting in 326280
+ 5438 × 800 that is equal 4350400
+ 5438 × 7000 resulting in 38066000

= 42764432
