Alright, let's work through 7964 times 3983 step by step
7964 × 3983 = 3983 × (7964)
+ 3983 × 4 that results in 15932
+ 3983 × 60 what gives us 238980
+ 3983 × 900 which equals 3584700
+ 3983 × 7000 which equals 27881000

= 31720612
