Alright, let's work through 3992 times 7962 step by step
3992 × 7962 = 7962 × (3992)
+ 7962 × 2 giving us 15924
+ 7962 × 90 which equals 716580
+ 7962 × 900 which equals 7165800
+ 7962 × 3000 that is equal 23886000

= 31784304
