Let's calculate 1799 x 7664
1799 × 7664 = 7664 × (1799)
+ 7664 × 9 resulting in 68976
+ 7664 × 90 that results in 689760
+ 7664 × 700 which equals 5364800
+ 7664 × 1000 that is equal 7664000

= 13787536
