Let's calculate 7421 x 3311
7421 × 3311 = 3311 × (7421)
+ 3311 × 1 that is equal 3311
+ 3311 × 20 what gives us 66220
+ 3311 × 400 that is equal 1324400
+ 3311 × 7000 resulting in 23177000

= 24570931
