Alright, let's work through 5912 times 1807 step by step
5912 × 1807 = 1807 × (5912)
+ 1807 × 2 yielding 3614
+ 1807 × 10 yielding 18070
+ 1807 × 900 which equals 1626300
+ 1807 × 5000 that is equal 9035000

= 10682984
