Alright, let's work through 2007 times 1931 step by step
2007 × 1931 = 1931 × (2007)
+ 1931 × 7 that equals 13517
+ 1931 × 00 that is equal 0
+ 1931 × 000 giving us 0
+ 1931 × 2000 which equals 3862000

= 3875517
