We're going to solve 9509 multiplied by 1803
9509 × 1803 = 1803 × (9509)
+ 1803 × 9 what gives us 16227
+ 1803 × 00 which equals 0
+ 1803 × 500 that results in 901500
+ 1803 × 9000 producing 16227000

= 17144727
