Alright, let's work through 2135 times 8803 step by step
2135 × 8803 = 8803 × (2135)
+ 8803 × 5 giving us 44015
+ 8803 × 30 giving us 264090
+ 8803 × 100 what gives us 880300
+ 8803 × 2000 that results in 17606000

= 18794405
