Alright, let's work through 4031 times 7924 step by step
4031 × 7924 = 7924 × (4031)
+ 7924 × 1 producing 7924
+ 7924 × 30 that equals 237720
+ 7924 × 000 that equals 0
+ 7924 × 4000 what gives us 31696000

= 31941644
