Let's calculate 7971 x 3040
7971 × 3040 = 3040 × (7971)
+ 3040 × 1 that is equal 3040
+ 3040 × 70 what gives us 212800
+ 3040 × 900 that is equal 2736000
+ 3040 × 7000 resulting in 21280000

= 24231840
