We're going to solve 1827 multiplied by 7805
1827 × 7805 = 7805 × (1827)
+ 7805 × 7 yielding 54635
+ 7805 × 20 that is equal 156100
+ 7805 × 800 giving us 6244000
+ 7805 × 1000 giving us 7805000

= 14259735
