Let's calculate 8138 x 3875
8138 × 3875 = 3875 × (8138)
+ 3875 × 8 giving us 31000
+ 3875 × 30 that is equal 116250
+ 3875 × 100 that results in 387500
+ 3875 × 8000 that is equal 31000000

= 31534750
