Let's calculate 6987 x 1798
6987 × 1798 = 1798 × (6987)
+ 1798 × 7 which equals 12586
+ 1798 × 80 which equals 143840
+ 1798 × 900 resulting in 1618200
+ 1798 × 6000 what gives us 10788000

= 12562626
