We're going to solve 1815 multiplied by 9917
1815 × 9917 = 9917 × (1815)
+ 9917 × 5 that is equal 49585
+ 9917 × 10 resulting in 99170
+ 9917 × 800 resulting in 7933600
+ 9917 × 1000 producing 9917000

= 17999355
