We're going to solve 7803 multiplied by 7000
7803 × 7000 = 7000 × (7803)
+ 7000 × 3 giving us 21000
+ 7000 × 00 producing 0
+ 7000 × 800 yielding 5600000
+ 7000 × 7000 what gives us 49000000

= 54621000
