Let's calculate 6664 x 1767
6664 × 1767 = 1767 × (6664)
+ 1767 × 4 that is equal 7068
+ 1767 × 60 what gives us 106020
+ 1767 × 600 that equals 1060200
+ 1767 × 6000 which equals 10602000

= 11775288
