Alright, let's work through 2090 times 2151 step by step
2090 × 2151 = 2151 × (2090)
+ 2151 × 0 which equals 0
+ 2151 × 90 that is equal 193590
+ 2151 × 000 what gives us 0
+ 2151 × 2000 which equals 4302000

= 4495590
