We're going to solve 7803 multiplied by 1248
7803 × 1248 = 1248 × (7803)
+ 1248 × 3 that results in 3744
+ 1248 × 00 which equals 0
+ 1248 × 800 that is equal 998400
+ 1248 × 7000 which equals 8736000

= 9738144
