Let's calculate 7977 x 2610
7977 × 2610 = 2610 × (7977)
+ 2610 × 7 producing 18270
+ 2610 × 70 that results in 182700
+ 2610 × 900 that results in 2349000
+ 2610 × 7000 what gives us 18270000

= 20819970
